./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm --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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:54:05,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:54:05,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:54:05,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:54:05,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:54:05,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:54:05,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:54:05,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:54:05,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:54:05,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:54:05,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:54:05,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:54:05,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:54:05,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:54:05,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:54:05,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:54:05,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:54:05,859 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:54:05,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:54:05,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:05,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:54:05,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:54:05,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:54:05,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:54:05,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:54:05,860 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_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm 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 -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-13 21:54:06,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:54:06,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:54:06,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:54:06,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:54:06,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:54:06,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 21:54:08,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:54:08,781 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:54:08,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-13 21:54:08,793 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data/78a3304ac/27a609a8d6194f4daed06b871a8fb96a/FLAGbea5257f2 [2024-11-13 21:54:08,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data/78a3304ac/27a609a8d6194f4daed06b871a8fb96a [2024-11-13 21:54:08,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:54:08,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:54:08,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:08,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:54:08,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:54:08,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:08" (1/1) ... [2024-11-13 21:54:08,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2cdf74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:08, skipping insertion in model container [2024-11-13 21:54:08,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:08" (1/1) ... [2024-11-13 21:54:08,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:54:09,015 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_4f715357-0953-4fdb-8d7a-1f1438406332/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-13 21:54:09,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:09,052 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:54:09,064 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_4f715357-0953-4fdb-8d7a-1f1438406332/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-13 21:54:09,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:09,091 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:54:09,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09 WrapperNode [2024-11-13 21:54:09,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:09,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:09,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:54:09,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:54:09,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,110 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,131 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 21:54:09,132 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:09,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:54:09,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:54:09,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:54:09,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,148 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:54:09,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:54:09,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:54:09,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:54:09,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:09,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:54:09,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:54:09,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:54:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:54:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:54:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:54:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:54:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:54:09,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:54:09,304 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:54:09,306 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:54:09,447 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:54:09,447 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:54:09,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:54:09,488 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:54:09,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:09 BoogieIcfgContainer [2024-11-13 21:54:09,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:54:09,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:54:09,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:54:09,502 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:54:09,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:09" (1/1) ... [2024-11-13 21:54:09,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:54:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:09,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:54:09,581 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:54:09,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:54:09,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:09,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:54:09,753 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:54:09,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:54:09,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:09,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:09,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:54:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:54:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:54:09,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:10,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:54:10,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 21:54:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 21:54:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:54:10,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:11,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 21:54:11,388 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 21:54:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:54:11,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-11-13 21:54:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-11-13 21:54:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:54:12,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:12,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:12,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:54:12,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-11-13 21:54:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-13 21:54:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:54:13,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:13,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:13,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:54:13,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-13 21:54:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 21:54:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:54:14,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:14,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:14,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:54:14,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:54:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:14,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-13 21:54:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-13 21:54:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:54:14,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:14,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:14,593 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:54:15,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:15,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2024-11-13 21:54:15,573 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2024-11-13 21:54:15,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:54:15,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:15,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:15,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:54:15,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:54:19,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:54:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 86 transitions. [2024-11-13 21:54:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2024-11-13 21:54:19,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:54:19,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:19,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:20,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 21:54:20,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:54:21,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:21,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2024-11-13 21:54:21,009 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2024-11-13 21:54:21,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:54:21,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 21:54:21,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2024-11-13 21:54:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2024-11-13 21:54:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:54:21,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:21,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:21,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:54:21,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:54:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2024-11-13 21:54:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2024-11-13 21:54:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:54:22,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:54:22,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 58 states and 119 transitions. [2024-11-13 21:54:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 119 transitions. [2024-11-13 21:54:24,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:54:24,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:24,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:54:24,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:25,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-11-13 21:54:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-11-13 21:54:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:25,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:25,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:26,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:54:26,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:54:30,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:54:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 65 states and 136 transitions. [2024-11-13 21:54:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 136 transitions. [2024-11-13 21:54:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:30,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:30,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:31,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:54:31,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:54:32,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:32,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 68 states and 139 transitions. [2024-11-13 21:54:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 139 transitions. [2024-11-13 21:54:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:32,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:32,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:32,337 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 72 states and 163 transitions. [2024-11-13 21:54:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2024-11-13 21:54:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:33,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:33,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:34,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 21:54:34,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:54:38,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:54:38,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 164 transitions. [2024-11-13 21:54:38,803 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2024-11-13 21:54:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:38,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:38,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 74 states and 163 transitions. [2024-11-13 21:54:39,195 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 163 transitions. [2024-11-13 21:54:39,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:39,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:39,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:39,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:54:39,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:40,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:40,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 77 states and 166 transitions. [2024-11-13 21:54:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 166 transitions. [2024-11-13 21:54:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:54:40,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:41,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:41,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 77 states and 165 transitions. [2024-11-13 21:54:41,006 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2024-11-13 21:54:41,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:54:41,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:41,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:41,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 21:54:41,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:41,642 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:54:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 87 states and 198 transitions. [2024-11-13 21:54:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 198 transitions. [2024-11-13 21:54:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:54:46,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:46,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:46,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:54:46,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:46,175 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:54:47,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:47,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 90 states and 201 transitions. [2024-11-13 21:54:47,587 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 201 transitions. [2024-11-13 21:54:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:54:47,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:47,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:54:47,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:47,696 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:54:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 94 states and 207 transitions. [2024-11-13 21:54:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 207 transitions. [2024-11-13 21:54:48,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:54:48,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:48,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:49,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:54:49,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:54:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:50,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2024-11-13 21:54:50,013 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2024-11-13 21:54:50,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:54:50,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:50,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:50,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:54:50,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:52,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 100 states and 222 transitions. [2024-11-13 21:54:52,576 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 222 transitions. [2024-11-13 21:54:52,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:54:52,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:54:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:53,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:54:53,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:54:57,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:55:01,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:55:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 103 states and 226 transitions. [2024-11-13 21:55:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 226 transitions. [2024-11-13 21:55:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:01,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:02,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:55:02,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 21:55:05,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:55:06,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:06,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 105 states and 227 transitions. [2024-11-13 21:55:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 227 transitions. [2024-11-13 21:55:06,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:06,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:06,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 21:55:06,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 21:55:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 108 states and 230 transitions. [2024-11-13 21:55:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2024-11-13 21:55:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:07,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:07,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:55:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 112 states and 261 transitions. [2024-11-13 21:55:10,701 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 261 transitions. [2024-11-13 21:55:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:10,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:10,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:11,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:55:11,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:11,261 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:55:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2024-11-13 21:55:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2024-11-13 21:55:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:12,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:55:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:13,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 115 states and 263 transitions. [2024-11-13 21:55:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 263 transitions. [2024-11-13 21:55:13,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:13,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:13,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:55:14,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2024-11-13 21:55:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2024-11-13 21:55:14,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 21:55:14,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:14,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 21:55:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:14,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 115 states and 261 transitions. [2024-11-13 21:55:14,877 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 261 transitions. [2024-11-13 21:55:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:14,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:14,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:14,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:55:14,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:55:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 125 states and 299 transitions. [2024-11-13 21:55:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 299 transitions. [2024-11-13 21:55:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:22,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:22,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:22,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:55:22,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:55:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 130 states and 304 transitions. [2024-11-13 21:55:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 304 transitions. [2024-11-13 21:55:25,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:25,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:25,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 21:55:25,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:25,996 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 21:55:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 131 states and 307 transitions. [2024-11-13 21:55:27,052 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 307 transitions. [2024-11-13 21:55:27,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:27,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:27,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:55:27,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:27,209 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:55:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 132 states and 309 transitions. [2024-11-13 21:55:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 309 transitions. [2024-11-13 21:55:27,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:27,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:27,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:28,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:55:28,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:28,107 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:55:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 135 states and 312 transitions. [2024-11-13 21:55:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 312 transitions. [2024-11-13 21:55:29,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:29,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:29,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:55:29,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:55:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 138 states and 315 transitions. [2024-11-13 21:55:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 315 transitions. [2024-11-13 21:55:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 21:55:31,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:31,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:31,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:55:31,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 21:55:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 140 states and 316 transitions. [2024-11-13 21:55:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 316 transitions. [2024-11-13 21:55:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 21:55:32,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:32,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:55:42,302 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) [2024-11-13 21:55:42,306 INFO L158 Benchmark]: Toolchain (without parser) took 93486.47ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 92.5MB in the beginning and 266.3MB in the end (delta: -173.9MB). Peak memory consumption was 186.3MB. Max. memory is 16.1GB. [2024-11-13 21:55:42,307 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:42,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.21ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:42,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.15ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:55:42,308 INFO L158 Benchmark]: Boogie Preprocessor took 15.77ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.4MB in the end (delta: 498.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:42,308 INFO L158 Benchmark]: RCFGBuilder took 338.54ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 67.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:55:42,308 INFO L158 Benchmark]: CodeCheck took 92815.87ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 67.5MB in the beginning and 266.3MB in the end (delta: -198.8MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. [2024-11-13 21:55:42,313 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 0.51ms. Allocated memory is still 117.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.21ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.15ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.77ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 79.4MB in the end (delta: 498.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 338.54ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 67.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 92815.87ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 67.5MB in the beginning and 266.3MB in the end (delta: -198.8MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:55:42,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/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_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm --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 e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:55:44,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:55:45,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:55:45,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:55:45,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:55:45,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:55:45,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:55:45,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:55:45,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:55:45,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:55:45,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:55:45,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:55:45,049 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:55:45,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:55:45,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:55:45,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:55:45,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:55:45,049 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:55:45,050 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:55:45,050 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:45,050 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:55:45,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:55:45,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:45,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:55:45,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:55:45,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:55:45,051 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:55:45,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:45,051 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:55:45,051 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_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm 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 -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-13 21:55:45,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:55:45,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:55:45,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:55:45,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:55:45,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:55:45,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 21:55:47,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:55:47,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:55:47,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-13 21:55:47,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data/f37f59a5a/c75cf05b26d44e86965e1d1dd6fe9e8a/FLAG951c4e45c [2024-11-13 21:55:48,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/data/f37f59a5a/c75cf05b26d44e86965e1d1dd6fe9e8a [2024-11-13 21:55:48,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:55:48,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:55:48,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:48,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:55:48,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:55:48,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676d14fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48, skipping insertion in model container [2024-11-13 21:55:48,187 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:55:48,386 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_4f715357-0953-4fdb-8d7a-1f1438406332/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-13 21:55:48,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:48,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:55:48,440 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_4f715357-0953-4fdb-8d7a-1f1438406332/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-13 21:55:48,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:55:48,480 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:55:48,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48 WrapperNode [2024-11-13 21:55:48,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:55:48,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:48,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:55:48,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:55:48,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,519 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 21:55:48,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:55:48,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:55:48,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:55:48,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:55:48,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:55:48,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:55:48,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:55:48,559 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:55:48,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:55:48" (1/1) ... [2024-11-13 21:55:48,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:55:48,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:55:48,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:55:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:55:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:55:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:55:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:55:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:55:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:55:48,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:55:48,720 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:55:49,192 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 21:55:49,192 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:55:49,263 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:55:49,264 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:55:49,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:49 BoogieIcfgContainer [2024-11-13 21:55:49,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:55:49,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:55:49,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:55:49,277 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:55:49,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:55:49" (1/1) ... [2024-11-13 21:55:49,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:55:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 21:55:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 21:55:49,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:55:49,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:49,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:49,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:49,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:49,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:55:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:49,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:55:49,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:49,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:49,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:55:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 21:55:49,669 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 21:55:49,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:55:49,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:49,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:49,672 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:49,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:55:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:50,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:50,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:55:50,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:50,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:55:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 21:55:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 21:55:50,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:55:50,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:50,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:50,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:50,576 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:50,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:55:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:51,032 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:51,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:55:51,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:55:51,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:51,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:55:55,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:55,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 21:55:55,208 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 21:55:55,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:55:55,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:55,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:55:55,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:55:55,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:55:55,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:55:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:55,707 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:55:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:55,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:55:55,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:12,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:56:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:56:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 21:56:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 21:56:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:56:41,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:56:41,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:56:41,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:56:41,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:56:41,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:56:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:42,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:56:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:56:42,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:56:42,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:56:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:56:44,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:57:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:57:33,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2024-11-13 21:57:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2024-11-13 21:57:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:57:33,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:57:33,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:57:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:57:33,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:57:33,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:57:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:34,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:57:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:57:34,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:57:34,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:57:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:38,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 21:58:11,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:58:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:18,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2024-11-13 21:58:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2024-11-13 21:58:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:58:18,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:18,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:18,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:18,262 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:18,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:58:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:19,229 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:19,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:58:19,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:58:20,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:58:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2024-11-13 21:58:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2024-11-13 21:58:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:58:31,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:31,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:58:31,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:58:31,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:58:31,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:58:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:31,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:58:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:32,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:58:32,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:58:33,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:58:33,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:59:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:59:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 85 transitions. [2024-11-13 21:59:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 85 transitions. [2024-11-13 21:59:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:59:35,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:59:35,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:59:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:59:35,830 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:59:35,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:59:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:37,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:59:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:59:37,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:59:37,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:59:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:42,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:02:03,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:13,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:13,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 50 states and 116 transitions. [2024-11-13 22:02:13,171 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 116 transitions. [2024-11-13 22:02:13,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:02:13,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:13,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:02:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:02:13,178 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:02:13,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:02:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:15,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:02:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:15,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:02:15,726 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:02:17,541 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:02:17,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:02:40,692 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:03:16,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:03:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:03:53,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 54 states and 129 transitions. [2024-11-13 22:03:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2024-11-13 22:03:53,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:03:53,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:03:53,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:03:53,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:03:53,511 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:03:53,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:03:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:54,639 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:03:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:03:55,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:03:55,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:04:02,804 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:04:02,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 22:06:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:06:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 64 states and 165 transitions. [2024-11-13 22:06:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 165 transitions. [2024-11-13 22:06:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:06:43,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:06:43,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:06:43,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:06:43,356 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:06:43,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:06:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:45,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:06:45,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:06:45,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 22:06:46,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:06:49,067 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:06:49,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 22:08:28,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:09:03,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:09:03,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 68 states and 180 transitions. [2024-11-13 22:09:03,421 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 180 transitions. [2024-11-13 22:09:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:09:03,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:09:03,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:09:03,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:09:03,428 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:09:03,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f715357-0953-4fdb-8d7a-1f1438406332/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 22:09:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:09:05,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported