./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:31:49,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:31:49,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:31:49,324 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:31:49,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:31:49,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:31:49,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:31:49,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:31:49,353 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:31:49,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:31:49,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:31:49,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:31:49,355 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:31:49,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:31:49,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:31:49,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:31:49,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:31:49,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:31:49,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:31:49,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:31:49,358 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:31:49,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:31:49,358 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:31:49,359 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:31:49,359 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:31:49,359 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:31:49,360 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:31:49,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:31:49,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:31:49,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:31:49,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:31:49,361 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:31:49,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:31:49,362 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2024-11-08 19:31:49,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:31:49,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:31:49,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:31:49,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:31:49,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:31:49,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c Unable to find full path for "g++" [2024-11-08 19:31:51,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:31:51,722 ERROR L? ?]: Error during toolchain job processing: java.lang.NullPointerException at org.eclipse.cdt.internal.core.model.PathEntry.kindFromString(PathEntry.java:80) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.decodePathEntry(DefaultPathEntryStore.java:127) at org.eclipse.cdt.internal.core.model.DefaultPathEntryStore.getRawPathEntries(DefaultPathEntryStore.java:97) at org.eclipse.cdt.internal.core.model.PathEntryStoreProxy.getRawPathEntries(PathEntryStoreProxy.java:102) at org.eclipse.cdt.internal.core.model.PathEntryManager.getRawPathEntries(PathEntryManager.java:666) at org.eclipse.cdt.core.model.CoreModel.getRawPathEntries(CoreModel.java:937) at org.eclipse.cdt.core.model.CoreModel.oldIsScannerInformationEmpty(CoreModel.java:1307) at org.eclipse.cdt.core.model.CoreModel.isScannerInformationEmpty(CoreModel.java:1252) at org.eclipse.cdt.internal.core.pdom.indexer.ProjectIndexerInputAdapter.isFileBuildConfigured(ProjectIndexerInputAdapter.java:267) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.isRequiredInIndex(AbstractIndexerTask.java:748) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.extractFiles(AbstractIndexerTask.java:667) at org.eclipse.cdt.internal.core.pdom.AbstractIndexerTask.runTask(AbstractIndexerTask.java:558) at org.eclipse.cdt.internal.core.pdom.indexer.PDOMIndexerTask.run(PDOMIndexerTask.java:164) at org.eclipse.cdt.internal.core.pdom.PDOMIndexerJob.run(PDOMIndexerJob.java:160) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 19:31:51,886 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:31:51,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2024-11-08 19:31:51,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/data/3be6c66d4/74906f94a8e04e82abf7247516762e90/FLAG9e9d0bae1 [2024-11-08 19:31:51,923 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/data/3be6c66d4/74906f94a8e04e82abf7247516762e90 [2024-11-08 19:31:51,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:31:51,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:31:51,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:31:51,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:31:51,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:31:51,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:31:51" (1/1) ... [2024-11-08 19:31:51,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@793ad767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:51, skipping insertion in model container [2024-11-08 19:31:51,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:31:51" (1/1) ... [2024-11-08 19:31:51,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:31:52,156 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-11-08 19:31:52,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:31:52,187 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:31:52,199 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2024-11-08 19:31:52,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:31:52,229 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:31:52,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52 WrapperNode [2024-11-08 19:31:52,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:31:52,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:31:52,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:31:52,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:31:52,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,248 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,269 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-11-08 19:31:52,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:31:52,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:31:52,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:31:52,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:31:52,280 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:31:52,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:31:52,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:31:52,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:31:52,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:31:52,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:31:52,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:31:52,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:31:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:31:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:31:52,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:31:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:31:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:31:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:31:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:31:52,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:31:52,463 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:31:52,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:31:52,754 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 19:31:52,755 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:31:52,830 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:31:52,830 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:31:52,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:31:52 BoogieIcfgContainer [2024-11-08 19:31:52,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:31:52,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:31:52,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:31:52,844 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:31:52,844 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:31:52" (1/1) ... [2024-11-08 19:31:52,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:31:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:52,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-08 19:31:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-08 19:31:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:31:52,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:52,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:31:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:53,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:31:53,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:31:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2024-11-08 19:31:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2024-11-08 19:31:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 19:31:53,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:53,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:31:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:53,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:31:53,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 19:31:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-08 19:31:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-08 19:31:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-08 19:31:53,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:31:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:54,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:31:54,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 19:31:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:54,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2024-11-08 19:31:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2024-11-08 19:31:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-08 19:31:54,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:54,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:54,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:31:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 62 transitions. [2024-11-08 19:31:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2024-11-08 19:31:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 19:31:55,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:55,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:31:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:55,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:31:55,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:31:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 74 transitions. [2024-11-08 19:31:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2024-11-08 19:31:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 19:31:56,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:56,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 19:31:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:31:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 84 transitions. [2024-11-08 19:31:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-08 19:31:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 19:31:57,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:31:57,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:31:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:31:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:31:58,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:31:58,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:31:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 19:32:00,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 56 states and 112 transitions. [2024-11-08 19:32:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 112 transitions. [2024-11-08 19:32:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 19:32:00,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:00,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:00,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:32:00,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:01,216 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 19:32:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 122 transitions. [2024-11-08 19:32:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 122 transitions. [2024-11-08 19:32:02,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 19:32:02,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:02,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:02,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:32:02,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 19:32:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 127 transitions. [2024-11-08 19:32:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 127 transitions. [2024-11-08 19:32:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 19:32:03,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:03,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:03,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:32:03,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-08 19:32:03,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 127 transitions. [2024-11-08 19:32:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 127 transitions. [2024-11-08 19:32:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 19:32:03,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:03,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:04,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 19:32:04,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 19:32:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 113 transitions. [2024-11-08 19:32:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-11-08 19:32:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 19:32:05,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:05,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:32:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 118 transitions. [2024-11-08 19:32:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2024-11-08 19:32:06,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 19:32:06,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:06,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:06,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 19:32:06,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:07,691 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 19:32:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 63 states and 120 transitions. [2024-11-08 19:32:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2024-11-08 19:32:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 19:32:09,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:32:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:09,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 19:32:09,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:32:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:32:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 71 states and 135 transitions. [2024-11-08 19:32:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 135 transitions. [2024-11-08 19:32:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 19:32:11,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:11,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:12,044 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-08 19:32:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 142 transitions. [2024-11-08 19:32:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 142 transitions. [2024-11-08 19:32:17,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 19:32:17,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 19:32:20,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 77 states and 147 transitions. [2024-11-08 19:32:20,432 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2024-11-08 19:32:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 19:32:20,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:20,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-08 19:32:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 46 states and 70 transitions. [2024-11-08 19:32:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2024-11-08 19:32:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 19:32:21,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:21,665 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 19:32:23,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:23,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 47 states and 71 transitions. [2024-11-08 19:32:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 71 transitions. [2024-11-08 19:32:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-08 19:32:23,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:23,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-08 19:32:24,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 44 states and 66 transitions. [2024-11-08 19:32:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-11-08 19:32:24,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 19:32:24,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:24,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:24,233 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-08 19:32:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 45 states and 67 transitions. [2024-11-08 19:32:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2024-11-08 19:32:26,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 19:32:26,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-08 19:32:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 41 states and 60 transitions. [2024-11-08 19:32:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-08 19:32:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-08 19:32:27,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:32:27,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:32:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:32:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 33 proven. 10 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 19:32:34,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:32:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:32:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 33 states and 49 transitions. [2024-11-08 19:32:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-08 19:32:34,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:32:34,108 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2024-11-08 19:32:34,115 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:32:36,390 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 52) the Hoare annotation is: (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) [2024-11-08 19:32:36,390 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:32:36,390 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: true [2024-11-08 19:32:36,391 INFO L77 FloydHoareUtils]: At program point L56(line 56) the Hoare annotation is: true [2024-11-08 19:32:36,391 INFO L77 FloydHoareUtils]: At program point L54(line 54) the Hoare annotation is: true [2024-11-08 19:32:36,391 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:32:36,391 INFO L77 FloydHoareUtils]: At program point L38(lines 35 52) the Hoare annotation is: (not (and (= (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (+ (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~r~0#1|) 1)) (not (and (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1))) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|) (not (= (+ (* |ULTIMATE.start_main_~s~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~b~0#1|)) (= (+ (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~a~0#1|))) [2024-11-08 19:32:36,391 INFO L77 FloydHoareUtils]: At program point L36(line 36) the Hoare annotation is: true [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~y~0#1| 2) (<= 0 |ULTIMATE.start_main_~y~0#1|)) [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L55(line 55) the Hoare annotation is: true [2024-11-08 19:32:36,392 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-08 19:32:36,393 INFO L77 FloydHoareUtils]: At program point L22-1(line 22) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2024-11-08 19:32:36,393 INFO L77 FloydHoareUtils]: At program point L43-2(lines 35 52) the Hoare annotation is: true [2024-11-08 19:32:36,395 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~x~0#1|)) (.cse1 (= |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~x~0#1|))) (.cse3 (not (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (or (let ((.cse2 (= |ULTIMATE.start_main_~s~0#1| 1))) (and (not (and (not (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (<= |ULTIMATE.start_main_~y~0#1| 2) (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (= (+ |ULTIMATE.start_main_~q~0#1| 1) 0) .cse0 .cse1 .cse2)) (not (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~q~0#1| 0) .cse2)))) (and .cse0 .cse3 .cse1) (= (+ (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~x~0#1|)) |ULTIMATE.start_main_~a~0#1|) (and (not (and (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~r~0#1| 0))) .cse3))) [2024-11-08 19:32:36,396 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2024-11-08 19:32:36,396 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 7 9) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-08 19:32:36,396 INFO L77 FloydHoareUtils]: At program point L12(lines 12 13) the Hoare annotation is: true [2024-11-08 19:32:36,396 INFO L77 FloydHoareUtils]: At program point L11(lines 11 14) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (= __VERIFIER_assert_~cond 1))) [2024-11-08 19:32:36,396 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 10 16) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 19:32:36,396 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 10 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) [2024-11-08 19:32:36,397 INFO L77 FloydHoareUtils]: At program point L11-2(lines 10 16) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 19:32:36,397 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-08 19:32:36,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:32:36 ImpRootNode [2024-11-08 19:32:36,418 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:32:36,419 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:32:36,419 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:32:36,419 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:32:36,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:31:52" (3/4) ... [2024-11-08 19:32:36,422 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:32:36,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 19:32:36,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 19:32:36,432 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-08 19:32:36,432 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 19:32:36,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 19:32:36,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:32:36,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:32:36,544 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:32:36,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:32:36,545 INFO L158 Benchmark]: Toolchain (without parser) took 44616.22ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 136.0MB in the beginning and 111.9MB in the end (delta: 24.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-08 19:32:36,545 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:36,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.45ms. Allocated memory is still 163.6MB. Free memory was 135.8MB in the beginning and 124.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-08 19:32:36,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.27ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 122.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:32:36,546 INFO L158 Benchmark]: Boogie Preprocessor took 38.04ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 122.0MB in the end (delta: 727.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:32:36,547 INFO L158 Benchmark]: RCFGBuilder took 522.05ms. Allocated memory is still 163.6MB. Free memory was 122.0MB in the beginning and 127.9MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:32:36,547 INFO L158 Benchmark]: CodeCheck took 43586.69ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 127.9MB in the beginning and 116.1MB in the end (delta: 11.8MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-11-08 19:32:36,547 INFO L158 Benchmark]: Witness Printer took 125.45ms. Allocated memory is still 197.1MB. Free memory was 116.1MB in the beginning and 111.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:32:36,549 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.2s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2002 SdHoareTripleChecker+Valid, 23.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 613 mSDsluCounter, 1818 SdHoareTripleChecker+Invalid, 20.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 744 mSDsCounter, 2792 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7369 IncrementalHoareTripleChecker+Invalid, 10161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2792 mSolverCounterUnsat, 1074 mSDtfsCounter, 7369 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8640 GetRequests, 8310 SyntacticMatches, 102 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24205 ImplicationChecksByTransitivity, 30.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 1008 NumberOfCodeBlocks, 1008 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 986 ConstructedInterpolants, 0 QuantifiedInterpolants, 4024 SizeOfPredicates, 34 NumberOfNonLiveVariables, 1129 ConjunctsInSsa, 213 ConjunctsInUnsatCore, 22 InterpolantComputations, 4 PerfectInterpolantSequences, 1416/1550 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 7]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 10]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 95.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.45ms. Allocated memory is still 163.6MB. Free memory was 135.8MB in the beginning and 124.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.27ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 122.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.04ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 122.0MB in the end (delta: 727.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.05ms. Allocated memory is still 163.6MB. Free memory was 122.0MB in the beginning and 127.9MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 43586.69ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 127.9MB in the beginning and 116.1MB in the end (delta: 11.8MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * Witness Printer took 125.45ms. Allocated memory is still 197.1MB. Free memory was 116.1MB in the beginning and 111.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:32:36,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_260360f1-8121-4213-84e9-a47625f489a9/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE