./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.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_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/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_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/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_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/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 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:17:01,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:17:01,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:17:01,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:17:01,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:17:01,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:17:01,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:17:01,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:17:01,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:17:01,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:17:01,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:17:01,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:17:01,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:17:01,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:17:01,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:17:01,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:17:01,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:17:01,462 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:17:01,462 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:17:01,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:17:01,462 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_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/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 -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2024-12-06 01:17:01,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:17:01,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:17:01,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:17:01,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:17:01,684 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:17:01,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2024-12-06 01:17:04,282 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/data/8aad1719f/2996112b18f0413c928e1f38174dbd12/FLAG2fe2f1f10 [2024-12-06 01:17:04,473 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:17:04,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2024-12-06 01:17:04,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/data/8aad1719f/2996112b18f0413c928e1f38174dbd12/FLAG2fe2f1f10 [2024-12-06 01:17:04,836 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/data/8aad1719f/2996112b18f0413c928e1f38174dbd12 [2024-12-06 01:17:04,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:17:04,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:17:04,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:17:04,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:17:04,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:17:04,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:17:04" (1/1) ... [2024-12-06 01:17:04,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35af8f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:04, skipping insertion in model container [2024-12-06 01:17:04,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:17:04" (1/1) ... [2024-12-06 01:17:04,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:17:04,981 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_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-12-06 01:17:04,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:17:05,007 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:17:05,017 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_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-12-06 01:17:05,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:17:05,037 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:17:05,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05 WrapperNode [2024-12-06 01:17:05,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:17:05,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:17:05,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:17:05,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:17:05,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,064 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-12-06 01:17:05,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:17:05,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:17:05,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:17:05,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:17:05,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,076 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:17:05,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:17:05,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:17:05,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:17:05,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:17:05,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:17:05,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:17:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:17:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:17:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:17:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:17:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:17:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:17:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:17:05,182 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:17:05,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:17:05,309 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:17:05,309 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:17:05,345 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:17:05,345 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:17:05,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:17:05 BoogieIcfgContainer [2024-12-06 01:17:05,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:17:05,346 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:17:05,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:17:05,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:17:05,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:17:05" (1/1) ... [2024-12-06 01:17:05,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:17:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:05,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-12-06 01:17:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-12-06 01:17:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:17:05,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-12-06 01:17:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-12-06 01:17:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:17:05,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-12-06 01:17:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-12-06 01:17:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:17:05,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:05,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:06,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-12-06 01:17:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-12-06 01:17:06,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:17:06,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:17:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:06,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-12-06 01:17:06,475 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-12-06 01:17:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:17:06,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:06,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:06,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:17:06,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 01:17:07,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:07,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-12-06 01:17:07,197 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-12-06 01:17:07,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:17:07,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:07,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:07,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 01:17:07,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:07,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 01:17:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:08,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2024-12-06 01:17:08,279 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2024-12-06 01:17:08,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:17:08,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:08,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:17:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:09,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2024-12-06 01:17:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2024-12-06 01:17:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 01:17:09,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:09,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:17:10,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2024-12-06 01:17:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2024-12-06 01:17:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:17:10,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:10,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:17:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 116 transitions. [2024-12-06 01:17:16,906 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-12-06 01:17:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:17:16,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:16,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:17:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:18,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 123 transitions. [2024-12-06 01:17:18,718 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 123 transitions. [2024-12-06 01:17:18,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 01:17:18,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:18,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 01:17:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 125 transitions. [2024-12-06 01:17:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2024-12-06 01:17:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:17:19,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:19,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:19,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:17:19,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:17:22,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:23,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 143 transitions. [2024-12-06 01:17:23,000 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2024-12-06 01:17:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:17:23,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:23,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:23,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 01:17:23,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:17:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 71 states and 148 transitions. [2024-12-06 01:17:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 148 transitions. [2024-12-06 01:17:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:17:23,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:23,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:24,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:17:24,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:17:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 73 states and 149 transitions. [2024-12-06 01:17:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2024-12-06 01:17:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 01:17:24,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:24,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:25,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:17:25,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:17:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 75 states and 150 transitions. [2024-12-06 01:17:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2024-12-06 01:17:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 01:17:26,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:26,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:26,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 01:17:26,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 01:17:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 78 states and 161 transitions. [2024-12-06 01:17:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 161 transitions. [2024-12-06 01:17:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:17:27,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:27,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:27,783 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:17:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 89 states and 190 transitions. [2024-12-06 01:17:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 190 transitions. [2024-12-06 01:17:33,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-06 01:17:33,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:33,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:33,824 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 01:17:37,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:37,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 94 states and 202 transitions. [2024-12-06 01:17:37,706 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 202 transitions. [2024-12-06 01:17:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:17:37,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:17:43,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 101 states and 223 transitions. [2024-12-06 01:17:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 223 transitions. [2024-12-06 01:17:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:17:43,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:43,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:43,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 01:17:43,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-06 01:17:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 110 states and 250 transitions. [2024-12-06 01:17:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 250 transitions. [2024-12-06 01:17:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 01:17:47,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:47,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 01:17:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 66 states and 131 transitions. [2024-12-06 01:17:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2024-12-06 01:17:50,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:17:50,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:17:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:17:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:50,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 01:17:50,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 25 proven. 19 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-12-06 01:18:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 68 states and 141 transitions. [2024-12-06 01:18:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 141 transitions. [2024-12-06 01:18:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:18:28,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:28,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 01:18:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 68 states and 135 transitions. [2024-12-06 01:18:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2024-12-06 01:18:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:18:30,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:30,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:18:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:30,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 01:18:30,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-06 01:19:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:29,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 70 states and 139 transitions. [2024-12-06 01:19:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 139 transitions. [2024-12-06 01:19:29,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-06 01:19:29,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:29,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 01:19:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 43 states and 64 transitions. [2024-12-06 01:19:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2024-12-06 01:19:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 01:19:30,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:30,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:19:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:30,104 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:19:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:19:30,137 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2024-12-06 01:19:30,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:19:30 ImpRootNode [2024-12-06 01:19:30,164 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:19:30,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:19:30,164 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:19:30,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:19:30,165 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:17:05" (3/4) ... [2024-12-06 01:19:30,166 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:19:30,205 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 32. [2024-12-06 01:19:30,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:19:30,257 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:19:30,257 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:19:30,258 INFO L158 Benchmark]: Toolchain (without parser) took 145418.15ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 81.2MB in the end (delta: 38.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-12-06 01:19:30,258 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:30,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.71ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 107.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:19:30,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.28ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:30,259 INFO L158 Benchmark]: Boogie Preprocessor took 17.40ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.9MB in the end (delta: 761.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:30,259 INFO L158 Benchmark]: RCFGBuilder took 262.41ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 92.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:19:30,260 INFO L158 Benchmark]: CodeCheck took 144817.69ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 86.8MB in the end (delta: 5.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-12-06 01:19:30,260 INFO L158 Benchmark]: Witness Printer took 92.52ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 81.2MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:19:30,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 144.8s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2389 SdHoareTripleChecker+Valid, 32.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1129 mSDsluCounter, 2141 SdHoareTripleChecker+Invalid, 30.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 742 mSDsCounter, 2509 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8882 IncrementalHoareTripleChecker+Invalid, 11391 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2509 mSolverCounterUnsat, 1399 mSDtfsCounter, 8882 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8103 GetRequests, 7571 SyntacticMatches, 108 SemanticMatches, 424 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91223 ImplicationChecksByTransitivity, 138.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 58.5s InterpolantComputationTime, 826 NumberOfCodeBlocks, 826 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 753 ConstructedInterpolants, 0 QuantifiedInterpolants, 2369 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1012 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 25 InterpolantComputations, 11 PerfectInterpolantSequences, 1007/1101 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] unsigned int r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L39] COND TRUE !(r >= d) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L45] EXPR counter++ VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L45] COND FALSE !(counter++<2) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.71ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 107.9MB 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 107.9MB in the beginning and 106.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.40ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.9MB in the end (delta: 761.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.41ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 92.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 144817.69ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 86.8MB in the end (delta: 5.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Witness Printer took 92.52ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 81.2MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:19:30,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7236d4e6-ea1f-4b5a-8343-b53631db6fe9/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE