./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b --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 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:15:58,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:15:59,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:15:59,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:15:59,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:15:59,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:15:59,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:15:59,033 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:15:59,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:15:59,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:15:59,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:15:59,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:15:59,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:15:59,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:15:59,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:15:59,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:15:59,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:15:59,036 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:15:59,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:15:59,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b 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 -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2024-12-05 22:15:59,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:15:59,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:15:59,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:15:59,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:15:59,293 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:15:59,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-12-05 22:16:01,929 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/095e0dea0/7895806bcbbf4150b996dd38d11049cf/FLAG46d12aa00 [2024-12-05 22:16:02,109 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:16:02,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-12-05 22:16:02,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/095e0dea0/7895806bcbbf4150b996dd38d11049cf/FLAG46d12aa00 [2024-12-05 22:16:02,133 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/095e0dea0/7895806bcbbf4150b996dd38d11049cf [2024-12-05 22:16:02,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:16:02,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:16:02,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:02,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:16:02,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:16:02,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c98821b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02, skipping insertion in model container [2024-12-05 22:16:02,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,155 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:16:02,291 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_cd227c2f-8850-4056-9651-8eb53c344642/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-12-05 22:16:02,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:02,319 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:16:02,329 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_cd227c2f-8850-4056-9651-8eb53c344642/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-12-05 22:16:02,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:02,349 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:16:02,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02 WrapperNode [2024-12-05 22:16:02,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:02,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:02,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:16:02,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:16:02,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,377 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-05 22:16:02,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:02,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:16:02,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:16:02,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:16:02,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,390 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:16:02,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:16:02,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:16:02,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:16:02,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:02,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:16:02,427 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:16:02,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:16:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:16:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:16:02,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:16:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:16:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:16:02,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:16:02,508 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:16:02,510 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:16:02,619 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 22:16:02,620 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:16:02,648 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:16:02,649 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:16:02,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:02 BoogieIcfgContainer [2024-12-05 22:16:02,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:16:02,650 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:16:02,650 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:16:02,657 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:16:02,657 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:02" (1/1) ... [2024-12-05 22:16:02,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:16:02,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:16:02,711 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:16:02,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:16:02,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:02,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 22:16:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 22:16:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:16:02,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:02,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:02,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:16:02,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:03,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 22:16:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 22:16:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:16:03,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:03,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-05 22:16:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-05 22:16:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:16:03,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-05 22:16:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-05 22:16:03,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:16:03,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:03,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:16:03,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 22:16:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 22:16:04,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:16:04,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:04,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:04,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:16:04,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:16:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-05 22:16:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-05 22:16:04,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:16:04,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:04,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:04,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:16:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-05 22:16:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-05 22:16:05,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:16:05,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:05,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:16:05,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:16:05,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:05,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-12-05 22:16:05,464 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-05 22:16:05,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:16:05,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:05,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:05,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:16:05,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:05,668 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:16:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-12-05 22:16:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-12-05 22:16:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:16:06,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:06,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:16:07,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:07,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-12-05 22:16:07,774 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-12-05 22:16:07,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:16:07,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:07,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:07,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 22:16:07,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:16:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-12-05 22:16:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-12-05 22:16:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:16:08,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:08,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:08,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:16:08,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 22:16:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-12-05 22:16:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-12-05 22:16:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:16:10,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:10,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:10,232 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 22:16:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-12-05 22:16:11,007 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-12-05 22:16:11,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 22:16:11,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:11,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:11,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 22:16:11,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 22:16:12,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:12,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-12-05 22:16:12,524 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-12-05 22:16:12,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 22:16:12,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:12,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:12,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 22:16:12,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:12,853 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 22:16:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-12-05 22:16:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-12-05 22:16:14,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 22:16:14,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:14,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:15,138 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 22:16:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:16,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-12-05 22:16:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-12-05 22:16:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:16:16,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:21,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 22:16:21,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 22:16:22,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-12-05 22:16:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-12-05 22:16:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 22:16:22,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:22,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:22,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 22:16:22,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 22:16:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:24,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-12-05 22:16:24,894 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-12-05 22:16:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:16:24,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:24,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:25,209 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 22:16:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-12-05 22:16:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-12-05 22:16:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:16:26,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:26,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:26,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-05 22:16:26,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:27,116 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 79 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 22:16:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 109 states and 199 transitions. [2024-12-05 22:16:27,753 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-05 22:16:27,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 22:16:27,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:27,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:27,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:16:27,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 13 proven. 79 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 22:16:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 219 transitions. [2024-12-05 22:16:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2024-12-05 22:16:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 22:16:30,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 22:16:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 227 transitions. [2024-12-05 22:16:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2024-12-05 22:16:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 22:16:32,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:32,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:33,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 22:16:33,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 27 proven. 122 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-05 22:16:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 234 transitions. [2024-12-05 22:16:34,067 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 234 transitions. [2024-12-05 22:16:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 22:16:34,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:34,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:34,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-05 22:16:34,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 22:16:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:37,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 137 states and 254 transitions. [2024-12-05 22:16:37,946 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2024-12-05 22:16:37,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 22:16:37,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 22:16:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 262 transitions. [2024-12-05 22:16:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 262 transitions. [2024-12-05 22:16:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 22:16:39,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:39,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:40,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 22:16:40,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:40,753 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 32 proven. 156 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-05 22:16:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 145 states and 269 transitions. [2024-12-05 22:16:41,657 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2024-12-05 22:16:41,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 22:16:41,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:41,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:41,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 22:16:41,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 17 proven. 137 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 22:16:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 289 transitions. [2024-12-05 22:16:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 289 transitions. [2024-12-05 22:16:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 22:16:45,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:45,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 128 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-05 22:16:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 159 states and 297 transitions. [2024-12-05 22:16:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 297 transitions. [2024-12-05 22:16:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 22:16:47,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:48,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 22:16:48,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 51 proven. 192 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-05 22:16:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:50,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 163 states and 304 transitions. [2024-12-05 22:16:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2024-12-05 22:16:50,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 22:16:50,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:50,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:50,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 22:16:50,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:50,558 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 20 proven. 144 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 22:16:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 173 states and 324 transitions. [2024-12-05 22:16:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 324 transitions. [2024-12-05 22:16:54,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 22:16:54,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:54,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 20 proven. 162 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 22:16:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 332 transitions. [2024-12-05 22:16:56,911 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 332 transitions. [2024-12-05 22:16:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 22:16:56,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:56,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-05 22:16:56,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:57,229 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 54 proven. 224 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-05 22:16:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 181 states and 339 transitions. [2024-12-05 22:16:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 339 transitions. [2024-12-05 22:16:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-05 22:16:58,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:58,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:16:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:58,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 22:16:58,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 21 proven. 211 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-05 22:17:03,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 191 states and 359 transitions. [2024-12-05 22:17:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 359 transitions. [2024-12-05 22:17:03,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-05 22:17:03,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:03,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 22:17:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 195 states and 367 transitions. [2024-12-05 22:17:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 367 transitions. [2024-12-05 22:17:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 22:17:06,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:06,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:17:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:06,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 22:17:06,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 74 proven. 255 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-05 22:17:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 199 states and 374 transitions. [2024-12-05 22:17:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 374 transitions. [2024-12-05 22:17:08,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-05 22:17:08,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:08,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:17:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:08,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-05 22:17:08,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 23 proven. 254 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 22:17:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 394 transitions. [2024-12-05 22:17:13,987 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 394 transitions. [2024-12-05 22:17:13,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 22:17:13,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:13,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 24 proven. 242 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-05 22:17:16,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 213 states and 402 transitions. [2024-12-05 22:17:16,715 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 402 transitions. [2024-12-05 22:17:16,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-05 22:17:16,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:16,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:17:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:17:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:17:24,130 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:17:24,134 INFO L158 Benchmark]: Toolchain (without parser) took 81997.91ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 117.6MB in the beginning and 272.9MB in the end (delta: -155.3MB). Peak memory consumption was 334.0MB. Max. memory is 16.1GB. [2024-12-05 22:17:24,135 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:24,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.30ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:17:24,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.28ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:24,136 INFO L158 Benchmark]: Boogie Preprocessor took 17.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 826.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:17:24,136 INFO L158 Benchmark]: RCFGBuilder took 253.19ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.9MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:17:24,136 INFO L158 Benchmark]: CodeCheck took 81483.73ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 91.7MB in the beginning and 272.9MB in the end (delta: -181.3MB). Peak memory consumption was 308.9MB. Max. memory is 16.1GB. [2024-12-05 22:17:24,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.30ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.2MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.28ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.77ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.2MB in the end (delta: 826.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 253.19ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.9MB in the end (delta: 12.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 81483.73ms. Allocated memory was 142.6MB in the beginning and 629.1MB in the end (delta: 486.5MB). Free memory was 91.7MB in the beginning and 272.9MB in the end (delta: -181.3MB). Peak memory consumption was 308.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:17:24,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b --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 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:17:26,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:17:26,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:17:26,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:17:26,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:17:26,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:17:26,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:17:26,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:17:26,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:17:26,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:17:26,155 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:17:26,155 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:17:26,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:17:26,156 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:17:26,157 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:17:26,157 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:17:26,157 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:26,157 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:17:26,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:17:26,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:26,157 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:17:26,158 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:17:26,158 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:17:26,158 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:17:26,158 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:26,158 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:17:26,158 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b 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 -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2024-12-05 22:17:26,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:17:26,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:17:26,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:17:26,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:17:26,410 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:17:26,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-12-05 22:17:29,040 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/a219cf247/129a1df9c93e4c1e8d2a94037b8685f2/FLAG948605f68 [2024-12-05 22:17:29,222 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:17:29,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-12-05 22:17:29,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/a219cf247/129a1df9c93e4c1e8d2a94037b8685f2/FLAG948605f68 [2024-12-05 22:17:29,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/data/a219cf247/129a1df9c93e4c1e8d2a94037b8685f2 [2024-12-05 22:17:29,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:17:29,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:17:29,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:29,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:17:29,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:17:29,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4064c69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29, skipping insertion in model container [2024-12-05 22:17:29,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,612 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:17:29,719 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_cd227c2f-8850-4056-9651-8eb53c344642/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-12-05 22:17:29,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:29,749 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:17:29,757 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_cd227c2f-8850-4056-9651-8eb53c344642/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c[458,471] [2024-12-05 22:17:29,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:17:29,777 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:17:29,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29 WrapperNode [2024-12-05 22:17:29,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:17:29,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:29,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:17:29,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:17:29,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,799 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-05 22:17:29,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:17:29,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:17:29,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:17:29,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:17:29,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,811 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,815 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,818 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:17:29,819 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:17:29,819 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:17:29,819 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:17:29,820 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:17:29" (1/1) ... [2024-12-05 22:17:29,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:17:29,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:17:29,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:17:29,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:17:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:17:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:17:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:17:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:17:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 22:17:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 22:17:29,913 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:17:29,915 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:17:30,340 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 22:17:30,341 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:17:30,379 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:17:30,379 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:17:30,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:30 BoogieIcfgContainer [2024-12-05 22:17:30,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:17:30,380 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:17:30,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:17:30,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:17:30,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:17:30" (1/1) ... [2024-12-05 22:17:30,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:17:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 22:17:30,435 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 22:17:30,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:17:30,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:30,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:30,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:30,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:30,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:17:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:30,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:30,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 22:17:30,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:30,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:17:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:30,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 22:17:30,690 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 22:17:30,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:17:30,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:30,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:30,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:30,693 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:30,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:17:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:31,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:31,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 22:17:31,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:31,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:17:33,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:33,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-05 22:17:33,546 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-05 22:17:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:17:33,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:33,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:33,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:33,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:33,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:17:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:33,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:34,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 22:17:34,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:34,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:17:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:34,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 22:17:34,879 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 22:17:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:17:34,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:34,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:34,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:34,882 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:34,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:17:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:35,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:35,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 22:17:35,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:52,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:18:22,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:18:23,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:23,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-12-05 22:18:23,658 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-12-05 22:18:23,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:18:23,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:23,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:23,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:23,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:23,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:18:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:24,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:24,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:18:24,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:18:26,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:19:23,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-05 22:19:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-05 22:19:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 22:19:23,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:23,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:23,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:23,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:23,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:19:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:24,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:24,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:19:24,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:19:26,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-05 22:20:30,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-05 22:20:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-05 22:20:30,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:20:30,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:30,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:20:30,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:20:30,755 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:20:30,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:20:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:31,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:20:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:32,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:20:32,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:20:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:20:36,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 22:21:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-12-05 22:21:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-12-05 22:21:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:21:25,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:25,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:21:25,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:21:25,277 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:21:25,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:21:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:26,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:21:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:27,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:21:27,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:21:29,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:21:29,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:22:40,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:22:56,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:56,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-12-05 22:22:56,506 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-12-05 22:22:56,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 22:22:56,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:56,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:56,509 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:56,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:22:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:57,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:57,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:22:57,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:02,467 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:23:02,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:25:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:27,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-12-05 22:25:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-12-05 22:25:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:25:27,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:27,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:27,371 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:27,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:25:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:28,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:29,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 22:25:29,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:25:35,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-05 22:26:14,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:14,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 123 transitions. [2024-12-05 22:26:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2024-12-05 22:26:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:26:14,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:14,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:14,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:14,722 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:14,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:26:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:16,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:17,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 22:26:17,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:20,646 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 22:26:20,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:26:52,267 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:27:36,027 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:27:59,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:28:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:28:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 132 transitions. [2024-12-05 22:28:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2024-12-05 22:28:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:28:16,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:28:16,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:28:16,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:28:16,081 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:28:16,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:28:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:17,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:28:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:28:18,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:28:18,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:28:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 22:28:23,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:30:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:30:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 67 states and 154 transitions. [2024-12-05 22:30:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 154 transitions. [2024-12-05 22:30:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:30:50,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:30:50,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:30:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:30:50,305 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:30:50,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd227c2f-8850-4056-9651-8eb53c344642/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:30:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:52,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:30:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:30:53,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 22:30:53,068 INFO L279 TraceCheckSpWp]: Computing forward predicates...