./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.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_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/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_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/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_eedfdba9-2809-4a18-b327-6725f100cc44/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 a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:30:25,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:30:25,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:30:25,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:30:25,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:30:25,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:30:25,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:30:25,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:30:25,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:30:25,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:30:25,478 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:30:25,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:30:25,479 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:30:25,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:30:25,479 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:30:25,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:30:25,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:30:25,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:30:25,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:30:25,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:30:25,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:30:25,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:30:25,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:30:25,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:30:25,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:30:25,482 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:30:25,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:30:25,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:30:25,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:30:25,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:30:25,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:30:25,483 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:30:25,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:30:25,483 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_eedfdba9-2809-4a18-b327-6725f100cc44/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 -> a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 [2024-11-13 22:30:25,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:30:25,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:30:25,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:30:25,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:30:25,811 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:30:25,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-13 22:30:27,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:30:27,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:30:27,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2024-11-13 22:30:27,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data/72a76b8e1/ca93193ba9a64ec89658d7d30a18e0e3/FLAG6ca60c3f4 [2024-11-13 22:30:27,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data/72a76b8e1/ca93193ba9a64ec89658d7d30a18e0e3 [2024-11-13 22:30:27,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:30:27,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:30:27,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:27,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:30:27,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:30:27,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:30:27" (1/1) ... [2024-11-13 22:30:27,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199a0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:27, skipping insertion in model container [2024-11-13 22:30:27,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:30:27" (1/1) ... [2024-11-13 22:30:27,983 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:30:28,155 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_eedfdba9-2809-4a18-b327-6725f100cc44/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-13 22:30:28,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:28,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:30:28,203 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_eedfdba9-2809-4a18-b327-6725f100cc44/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-13 22:30:28,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:30:28,227 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:30:28,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28 WrapperNode [2024-11-13 22:30:28,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:30:28,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:28,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:30:28,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:30:28,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,261 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 22:30:28,262 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:30:28,263 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:30:28,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:30:28,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:30:28,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,277 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,280 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:30:28,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:30:28,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:30:28,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:30:28,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:30:28,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:30:28,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:30:28,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:30:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:30:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:30:28,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:30:28,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:30:28,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:30:28,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:30:28,423 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:30:28,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:30:28,574 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:30:28,575 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:30:28,610 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:30:28,611 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:30:28,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:28 BoogieIcfgContainer [2024-11-13 22:30:28,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:30:28,612 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:30:28,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:30:28,622 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:30:28,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:30:28" (1/1) ... [2024-11-13 22:30:28,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:30:28,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:28,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 22:30:28,684 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 22:30:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:30:28,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:28,811 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 22:30:28,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:30:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:30:28,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:30:28,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:28,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:28,943 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 22:30:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 22:30:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 22:30:29,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:30:29,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:29,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:30:29,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:29,252 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 22:30:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 22:30:29,638 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 22:30:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:30:29,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:29,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:29,980 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 22:30:30,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 22:30:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 22:30:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:30:30,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:30,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:30,680 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 22:30:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-11-13 22:30:31,468 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-11-13 22:30:31,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:30:31,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:31,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:31,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:30:31,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:31,612 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 22:30:35,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:30:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:35,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-11-13 22:30:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-13 22:30:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:30:35,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:35,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:30:35,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:35,842 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 22:30:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-13 22:30:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-13 22:30:36,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:30:36,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:36,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:36,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:30:36,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:36,464 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 22:30:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-13 22:30:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-13 22:30:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:30:36,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:36,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:36,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:30:36,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:37,024 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 22:30:40,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:30:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:41,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-13 22:30:41,338 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-13 22:30:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:30:41,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:41,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:41,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:30:41,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:41,500 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 22:30:44,786 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 22:30:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:45,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-11-13 22:30:45,059 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-13 22:30:45,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:30:45,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:45,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:45,309 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 22:30:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2024-11-13 22:30:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2024-11-13 22:30:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:30:46,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:46,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 22:30:46,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:46,507 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 22:30:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-11-13 22:30:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-11-13 22:30:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:30:47,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:47,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:47,609 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 22:30:47,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:47,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2024-11-13 22:30:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2024-11-13 22:30:47,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:30:47,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:47,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:47,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:47,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:30:47,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:48,298 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 22:30:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 58 states and 120 transitions. [2024-11-13 22:30:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 120 transitions. [2024-11-13 22:30:50,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:30:50,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:51,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:30:51,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:51,160 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 22:30:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-11-13 22:30:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-11-13 22:30:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:52,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:52,417 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 22:30:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 146 transitions. [2024-11-13 22:30:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 146 transitions. [2024-11-13 22:30:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:53,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:53,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:53,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:30:53,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:54,087 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 22:30:55,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 69 states and 159 transitions. [2024-11-13 22:30:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 159 transitions. [2024-11-13 22:30:55,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:55,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:55,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:55,458 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 22:30:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 69 states and 158 transitions. [2024-11-13 22:30:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 158 transitions. [2024-11-13 22:30:55,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:55,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:55,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:55,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:30:55,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:55,984 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 22:30:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 72 states and 161 transitions. [2024-11-13 22:30:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 161 transitions. [2024-11-13 22:30:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:57,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:57,130 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 22:30:57,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:57,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 72 states and 160 transitions. [2024-11-13 22:30:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2024-11-13 22:30:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:57,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:57,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:57,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:30:57,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:57,711 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 22:30:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:30:58,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 164 transitions. [2024-11-13 22:30:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 164 transitions. [2024-11-13 22:30:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 22:30:58,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:30:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:30:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:30:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:30:59,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:30:59,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:30:59,084 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 22:31:02,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:31:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:03,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 77 states and 165 transitions. [2024-11-13 22:31:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2024-11-13 22:31:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:31:03,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:03,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:03,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:31:03,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:03,466 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 22:31:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 87 states and 198 transitions. [2024-11-13 22:31:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 198 transitions. [2024-11-13 22:31:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:31:07,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:07,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:07,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:31:07,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:07,856 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 22:31:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 90 states and 201 transitions. [2024-11-13 22:31:09,205 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 201 transitions. [2024-11-13 22:31:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:31:09,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:09,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:09,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:31:09,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:09,320 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 22:31:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 91 states and 203 transitions. [2024-11-13 22:31:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 203 transitions. [2024-11-13 22:31:09,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:31:09,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:09,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 22:31:09,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:09,517 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 22:31:10,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:10,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 94 states and 207 transitions. [2024-11-13 22:31:10,813 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 207 transitions. [2024-11-13 22:31:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 22:31:10,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:10,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:10,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 22:31:10,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:10,952 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 22:31:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2024-11-13 22:31:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2024-11-13 22:31:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:11,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:12,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:31:12,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:12,778 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:31:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 100 states and 222 transitions. [2024-11-13 22:31:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 222 transitions. [2024-11-13 22:31:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:14,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:14,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:15,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:31:15,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:16,147 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 22:31:18,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 103 states and 225 transitions. [2024-11-13 22:31:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 225 transitions. [2024-11-13 22:31:18,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:18,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:18,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:18,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 22:31:18,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:18,781 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 22:31:22,987 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 22:31:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 106 states and 229 transitions. [2024-11-13 22:31:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 229 transitions. [2024-11-13 22:31:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:23,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:23,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:23,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:31:23,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:23,876 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 22:31:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 108 states and 230 transitions. [2024-11-13 22:31:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2024-11-13 22:31:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:24,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:24,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:25,234 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 22:31:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 112 states and 261 transitions. [2024-11-13 22:31:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 261 transitions. [2024-11-13 22:31:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:27,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:27,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:28,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 22:31:28,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:28,123 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 22:31:29,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:29,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 115 states and 264 transitions. [2024-11-13 22:31:29,853 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 264 transitions. [2024-11-13 22:31:29,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:29,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:29,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:29,959 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 22:31:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:30,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 115 states and 263 transitions. [2024-11-13 22:31:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 263 transitions. [2024-11-13 22:31:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:30,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:30,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:30,546 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 22:31:31,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2024-11-13 22:31:31,027 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2024-11-13 22:31:31,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 22:31:31,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:31,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:31,108 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 22:31:31,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 115 states and 261 transitions. [2024-11-13 22:31:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 261 transitions. [2024-11-13 22:31:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:31,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:31,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:31,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:31:31,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:32,254 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 22:31:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 125 states and 299 transitions. [2024-11-13 22:31:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 299 transitions. [2024-11-13 22:31:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:38,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:38,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:38,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:31:38,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:38,470 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 22:31:41,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:41,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 130 states and 304 transitions. [2024-11-13 22:31:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 304 transitions. [2024-11-13 22:31:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:41,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:41,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:31:41,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:41,572 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 22:31:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 131 states and 306 transitions. [2024-11-13 22:31:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 306 transitions. [2024-11-13 22:31:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:42,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:42,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:42,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:31:42,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:42,341 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 22:31:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 132 states and 309 transitions. [2024-11-13 22:31:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 309 transitions. [2024-11-13 22:31:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:43,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:43,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:43,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 22:31:43,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:43,422 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 22:31:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:44,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 135 states and 312 transitions. [2024-11-13 22:31:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 312 transitions. [2024-11-13 22:31:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:44,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:44,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:44,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:31:44,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:44,978 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 22:31:46,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 138 states and 315 transitions. [2024-11-13 22:31:46,176 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 315 transitions. [2024-11-13 22:31:46,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 22:31:46,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:46,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:46,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 22:31:46,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:46,311 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 22:31:46,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 140 states and 316 transitions. [2024-11-13 22:31:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 316 transitions. [2024-11-13 22:31:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:31:46,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:46,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:51,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:31:51,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:31:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:31:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 144 states and 331 transitions. [2024-11-13 22:31:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 331 transitions. [2024-11-13 22:31:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:31:55,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:31:55,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:31:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:31:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:31:58,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 22:31:58,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:31:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:32:00,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 147 states and 335 transitions. [2024-11-13 22:32:00,876 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 335 transitions. [2024-11-13 22:32:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:32:00,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:00,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:32:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:05,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:32:05,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:05,175 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:32:09,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:32:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 149 states and 336 transitions. [2024-11-13 22:32:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 336 transitions. [2024-11-13 22:32:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:32:09,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:09,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:32:13,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 153 states and 374 transitions. [2024-11-13 22:32:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 374 transitions. [2024-11-13 22:32:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:32:13,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:13,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:32:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:15,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 22:32:15,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:32:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 156 states and 377 transitions. [2024-11-13 22:32:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 377 transitions. [2024-11-13 22:32:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:32:17,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:32:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:17,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-13 22:32:17,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 22:32:19,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:19,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 159 states and 380 transitions. [2024-11-13 22:32:19,718 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 380 transitions. [2024-11-13 22:32:19,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 22:32:19,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:32:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:32:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:32:29,769 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 22:32:29,773 INFO L158 Benchmark]: Toolchain (without parser) took 121816.09ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 93.3MB in the beginning and 340.0MB in the end (delta: -246.7MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. [2024-11-13 22:32:29,773 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:32:29,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.06ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:32:29,774 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:32:29,774 INFO L158 Benchmark]: Boogie Preprocessor took 25.81ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 756.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:32:29,775 INFO L158 Benchmark]: RCFGBuilder took 321.54ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.1MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:32:29,775 INFO L158 Benchmark]: CodeCheck took 121160.06ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 67.9MB in the beginning and 340.0MB in the end (delta: -272.0MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. [2024-11-13 22:32:29,777 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.06ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 81.8MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.81ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.9MB in the end (delta: 756.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.54ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.1MB in the end (delta: 11.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 121160.06ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 67.9MB in the beginning and 340.0MB in the end (delta: -272.0MB). Peak memory consumption was 87.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:32:29,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/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_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/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_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/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_eedfdba9-2809-4a18-b327-6725f100cc44/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 a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:32:32,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:32:32,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:32:32,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:32:32,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:32:32,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:32:32,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:32:32,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:32:32,476 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:32:32,477 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:32:32,477 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:32:32,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:32:32,478 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:32:32,478 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:32:32,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:32:32,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:32:32,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:32:32,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:32:32,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:32,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:32:32,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:32:32,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:32,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:32:32,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:32:32,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:32:32,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:32:32,482 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:32,482 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:32:32,482 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_eedfdba9-2809-4a18-b327-6725f100cc44/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 -> a70bdaebce973cfb63a6da68866c665cdef037b6b862a38db5ed10fbf681a6e5 [2024-11-13 22:32:32,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:32:32,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:32:32,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:32:32,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:32:32,819 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:32:32,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-13 22:32:35,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:32:35,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:32:35,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c [2024-11-13 22:32:35,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data/a0f859455/025974a2d9fe4821b06c79f8f76f0bd9/FLAG8f07ae4d1 [2024-11-13 22:32:35,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/data/a0f859455/025974a2d9fe4821b06c79f8f76f0bd9 [2024-11-13 22:32:35,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:32:35,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:32:35,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:35,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:32:35,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:32:35,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4e4b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35, skipping insertion in model container [2024-11-13 22:32:35,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,256 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:32:35,435 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_eedfdba9-2809-4a18-b327-6725f100cc44/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-13 22:32:35,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:35,479 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:32:35,492 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_eedfdba9-2809-4a18-b327-6725f100cc44/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound50.c[458,471] [2024-11-13 22:32:35,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:32:35,532 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:32:35,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35 WrapperNode [2024-11-13 22:32:35,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:32:35,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:35,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:32:35,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:32:35,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,573 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 22:32:35,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:32:35,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:32:35,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:32:35,576 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:32:35,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,602 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:32:35,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:32:35,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:32:35,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:32:35,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:35" (1/1) ... [2024-11-13 22:32:35,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:32:35,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:32:35,649 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:32:35,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:32:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:32:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:32:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:32:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:32:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:32:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:32:35,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:32:35,768 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:32:36,153 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:32:36,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:32:36,246 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:32:36,247 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:32:36,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:36 BoogieIcfgContainer [2024-11-13 22:32:36,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:32:36,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:32:36,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:32:36,263 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:32:36,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:36" (1/1) ... [2024-11-13 22:32:36,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:32:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 22:32:36,323 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 22:32:36,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:32:36,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:36,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:36,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:36,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:36,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:32:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:36,426 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:36,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:32:36,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:36,647 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 22:32:36,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:32:36,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 22:32:36,678 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 22:32:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:32:36,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:36,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:36,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:36,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:36,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:32:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:37,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:37,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 22:32:37,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:37,356 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 22:32:37,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 22:32:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 22:32:37,492 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 22:32:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:32:37,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:37,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:37,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:37,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:37,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:32:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:37,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:38,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:32:38,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:38,461 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 22:32:38,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 22:32:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:32:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 22:32:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 22:32:41,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:32:41,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:32:41,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:32:41,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:32:41,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:32:41,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:32:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:41,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:32:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:41,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:32:41,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:32:58,443 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 22:32:58,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 22:33:27,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:31,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:33:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:33:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 22:33:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 22:33:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:33:32,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:33:32,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:33:32,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:33:32,385 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:33:32,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:33:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:33,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:33:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:33:33,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 22:33:33,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:33:36,417 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 22:33:36,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:33:48,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:35:22,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:35:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:34,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-13 22:35:34,486 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-13 22:35:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:35:34,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:34,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:35:34,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:35:34,491 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:35:34,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:35:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:35,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:35:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:35,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:35:35,744 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:35:37,243 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 22:35:37,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:36:22,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:36:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-13 22:36:47,719 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-13 22:36:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:36:47,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:47,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:36:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:36:47,724 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:36:47,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:36:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:48,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:36:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:48,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:36:48,445 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:36:51,710 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 22:36:51,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 22:38:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-13 22:38:09,407 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-13 22:38:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:38:09,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:09,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:09,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:38:09,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:38:09,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 22:38:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:10,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:38:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:38:11,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:38:11,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:38:13,391 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 22:38:13,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 22:39:09,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:39:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 44 states and 94 transitions. [2024-11-13 22:39:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 94 transitions. [2024-11-13 22:39:47,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:39:47,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:47,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:39:47,588 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:39:47,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 22:39:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:48,965 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:39:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:49,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:39:49,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:50,026 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 22:39:50,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 22:41:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 97 transitions. [2024-11-13 22:41:08,159 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 97 transitions. [2024-11-13 22:41:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:41:08,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:08,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:08,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:08,168 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:08,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 22:41:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:09,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:10,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 22:41:10,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:16,658 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 22:41:16,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 22:42:13,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 55 states and 130 transitions. [2024-11-13 22:42:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 130 transitions. [2024-11-13 22:42:28,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:42:28,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:28,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:28,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:28,489 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:28,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 22:42:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:30,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:30,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 22:42:30,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:31,406 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 22:42:31,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 22:42:52,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:52,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2024-11-13 22:42:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2024-11-13 22:42:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:42:52,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:52,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:52,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:52,133 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:52,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 22:42:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:53,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:53,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 22:42:53,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:03,656 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 22:43:03,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eedfdba9-2809-4a18-b327-6725f100cc44/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0