./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.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_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/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_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/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_4587edb0-8963-45cc-af3f-e8932bff7021/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 b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:58,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:58,356 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:30:58,361 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:58,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:58,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:58,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:58,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:58,383 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:58,383 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:58,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:58,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:58,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:30:58,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:58,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:58,385 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:58,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:58,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:58,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:58,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:58,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:58,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:58,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:58,386 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:58,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:58,386 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_4587edb0-8963-45cc-af3f-e8932bff7021/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 -> b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 [2024-11-13 21:30:58,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:58,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:58,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:58,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:58,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:58,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:31:00,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:31:00,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:31:00,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c [2024-11-13 21:31:00,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data/c67b54b15/f54730f53fa2491293278b626e8cc9ee/FLAGecb5f26d1 [2024-11-13 21:31:00,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data/c67b54b15/f54730f53fa2491293278b626e8cc9ee [2024-11-13 21:31:00,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:31:00,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:31:00,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:00,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:31:00,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:31:00,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:00" (1/1) ... [2024-11-13 21:31:00,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e927a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:00, skipping insertion in model container [2024-11-13 21:31:00,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:31:00" (1/1) ... [2024-11-13 21:31:00,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:31:01,070 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_4587edb0-8963-45cc-af3f-e8932bff7021/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-11-13 21:31:01,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:01,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:31:01,124 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_4587edb0-8963-45cc-af3f-e8932bff7021/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-11-13 21:31:01,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:31:01,155 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:31:01,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01 WrapperNode [2024-11-13 21:31:01,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:31:01,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:01,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:31:01,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:31:01,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,192 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-13 21:31:01,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:31:01,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:31:01,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:31:01,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:31:01,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:31:01,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:31:01,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:31:01,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:31:01,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:31:01,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:31:01,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:31:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:31:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:31:01,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:31:01,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:31:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:31:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:31:01,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:31:01,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:31:01,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:31:01,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:31:01,559 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:31:01,559 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:31:01,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:31:01,585 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:31:01,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:01 BoogieIcfgContainer [2024-11-13 21:31:01,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:31:01,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:31:01,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:31:01,597 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:31:01,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:31:01" (1/1) ... [2024-11-13 21:31:01,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:31:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:31:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:31:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:31:01,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:01,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:01,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:31:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 21:31:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 21:31:01,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:31:01,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:01,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:01,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:31:01,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:31:02,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:02,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 21:31:02,112 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 21:31:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:31:02,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:02,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:31:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-13 21:31:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-13 21:31:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:31:03,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:03,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:03,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:31:03,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:31:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:03,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-13 21:31:03,539 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-13 21:31:03,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:31:03,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:03,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:03,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 21:31:03,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:31:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 21:31:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 21:31:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:31:03,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:03,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:31:03,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 21:31:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-13 21:31:04,434 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-13 21:31:04,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:31:04,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:04,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:04,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 21:31:04,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:31:05,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:05,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-13 21:31:05,484 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-13 21:31:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:31:05,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:05,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:05,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:31:05,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:31:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2024-11-13 21:31:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-13 21:31:06,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:31:06,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:06,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:06,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:31:06,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 21:31:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2024-11-13 21:31:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2024-11-13 21:31:07,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:31:07,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:07,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:07,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:31:07,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-13 21:31:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2024-11-13 21:31:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2024-11-13 21:31:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:31:08,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:08,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 21:31:08,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 21:31:10,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2024-11-13 21:31:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2024-11-13 21:31:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:31:10,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:10,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:31:10,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:11,121 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 21 proven. 41 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 21:31:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 105 transitions. [2024-11-13 21:31:11,844 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2024-11-13 21:31:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 21:31:11,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:11,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:11,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:31:11,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 21:31:13,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:13,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2024-11-13 21:31:13,490 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2024-11-13 21:31:13,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 21:31:13,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:13,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:31:13,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:14,199 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 26 proven. 58 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-13 21:31:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:14,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2024-11-13 21:31:14,799 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2024-11-13 21:31:14,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 21:31:14,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:14,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:14,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 21:31:14,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-13 21:31:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2024-11-13 21:31:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2024-11-13 21:31:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 21:31:16,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:16,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:16,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 21:31:16,558 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 47 proven. 80 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 21:31:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2024-11-13 21:31:17,399 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2024-11-13 21:31:17,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 21:31:17,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:17,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:17,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:31:17,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 16 proven. 63 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-13 21:31:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2024-11-13 21:31:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2024-11-13 21:31:19,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 21:31:19,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:19,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:20,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 21:31:20,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 108 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-13 21:31:20,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:20,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 165 transitions. [2024-11-13 21:31:20,922 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 165 transitions. [2024-11-13 21:31:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 21:31:20,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:20,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:21,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-13 21:31:21,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 57 proven. 99 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-13 21:31:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2024-11-13 21:31:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2024-11-13 21:31:23,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 21:31:23,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:23,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:24,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 21:31:24,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 38 proven. 130 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 21:31:38,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:31:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2024-11-13 21:31:39,521 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2024-11-13 21:31:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 21:31:39,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:39,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:39,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 21:31:39,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:40,096 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 108 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-13 21:31:42,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:42,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2024-11-13 21:31:42,176 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2024-11-13 21:31:42,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 21:31:42,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:42,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:45,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 21:31:45,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 43 proven. 159 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-13 21:31:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 205 transitions. [2024-11-13 21:31:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 205 transitions. [2024-11-13 21:31:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 21:31:46,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:46,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:46,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-13 21:31:46,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 22 proven. 135 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 21:31:49,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 220 transitions. [2024-11-13 21:31:49,020 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2024-11-13 21:31:49,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 21:31:49,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:49,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:50,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-13 21:31:50,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 74 proven. 225 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 21:31:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 225 transitions. [2024-11-13 21:31:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2024-11-13 21:31:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 21:31:52,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:52,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:52,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:31:52,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 24 proven. 165 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-13 21:31:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:31:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 240 transitions. [2024-11-13 21:31:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2024-11-13 21:31:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 21:31:55,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:31:55,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:31:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:31:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:58,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-13 21:31:58,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:31:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 52 proven. 254 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-13 21:32:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:00,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2024-11-13 21:32:00,867 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2024-11-13 21:32:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 21:32:00,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:00,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:00,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 21:32:00,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 198 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-13 21:32:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 260 transitions. [2024-11-13 21:32:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2024-11-13 21:32:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 21:32:04,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:04,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:10,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-13 21:32:10,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 85 proven. 309 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-13 21:32:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 152 states and 265 transitions. [2024-11-13 21:32:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 265 transitions. [2024-11-13 21:32:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 21:32:12,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:12,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-13 21:32:12,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 28 proven. 234 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-13 21:32:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 160 states and 280 transitions. [2024-11-13 21:32:15,784 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2024-11-13 21:32:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 21:32:15,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:15,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:15,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-13 21:32:15,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:16,232 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 79 proven. 394 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-13 21:32:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 285 transitions. [2024-11-13 21:32:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 285 transitions. [2024-11-13 21:32:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 21:32:17,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:17,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:17,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-13 21:32:17,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 30 proven. 273 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2024-11-13 21:32:21,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 171 states and 300 transitions. [2024-11-13 21:32:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 300 transitions. [2024-11-13 21:32:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 21:32:21,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:21,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:21,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-13 21:32:21,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 77 proven. 430 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-13 21:32:23,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 174 states and 305 transitions. [2024-11-13 21:32:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 305 transitions. [2024-11-13 21:32:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 21:32:23,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:23,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:23,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-13 21:32:23,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 32 proven. 315 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-13 21:32:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 182 states and 320 transitions. [2024-11-13 21:32:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 320 transitions. [2024-11-13 21:32:27,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 21:32:27,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:27,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:32:37,606 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:32:37,611 INFO L158 Benchmark]: Toolchain (without parser) took 96735.80ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 93.0MB in the beginning and 354.8MB in the end (delta: -261.9MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2024-11-13 21:32:37,611 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:37,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.85ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:32:37,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.52ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:32:37,612 INFO L158 Benchmark]: Boogie Preprocessor took 29.82ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 764.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:32:37,613 INFO L158 Benchmark]: RCFGBuilder took 360.70ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:32:37,613 INFO L158 Benchmark]: CodeCheck took 96023.96ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.4MB in the beginning and 354.8MB in the end (delta: -286.4MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2024-11-13 21:32:37,615 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.85ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 81.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.52ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.82ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 764.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 360.70ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 68.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 96023.96ms. Allocated memory was 117.4MB in the beginning and 478.2MB in the end (delta: 360.7MB). Free memory was 68.4MB in the beginning and 354.8MB in the end (delta: -286.4MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:32:37,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/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_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/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_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/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_4587edb0-8963-45cc-af3f-e8932bff7021/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 b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:40,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:40,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:32:40,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:40,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:40,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:40,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:40,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:40,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:40,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:32:40,489 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:32:40,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:40,489 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:32:40,489 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:32:40,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:40,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:40,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:40,490 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:40,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:40,490 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:40,490 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:32:40,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:40,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:40,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:40,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:40,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:40,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:32:40,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:40,492 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:32:40,492 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_4587edb0-8963-45cc-af3f-e8932bff7021/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 -> b8588da8d66d82eb7aa3eaf3ef7c4d24b2b275bf9c1acdf38a110c8bc6eba3b7 [2024-11-13 21:32:40,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:40,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:40,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:40,836 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:40,837 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:40,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c Unable to find full path for "g++" [2024-11-13 21:32:42,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:42,913 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:42,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c [2024-11-13 21:32:42,937 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data/313c5ecd2/bd2e6f604c4c43ce98b88800b0b7b713/FLAG11222d6a8 [2024-11-13 21:32:43,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/data/313c5ecd2/bd2e6f604c4c43ce98b88800b0b7b713 [2024-11-13 21:32:43,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:43,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:43,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:43,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:43,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:43,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebe7064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43, skipping insertion in model container [2024-11-13 21:32:43,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:43,442 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_4587edb0-8963-45cc-af3f-e8932bff7021/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-11-13 21:32:43,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:43,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:43,502 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_4587edb0-8963-45cc-af3f-e8932bff7021/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound100.c[458,471] [2024-11-13 21:32:43,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:43,547 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:43,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43 WrapperNode [2024-11-13 21:32:43,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:43,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:43,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:43,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:43,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,581 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-13 21:32:43,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:43,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:43,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:43,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:43,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,616 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:43,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:43,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:43,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:43,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:43" (1/1) ... [2024-11-13 21:32:43,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:43,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:43,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:43,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:43,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:32:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:32:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:32:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:32:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:32:43,757 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:43,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:44,383 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:44,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:32:44,413 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:32:44,413 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:32:44,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:44 BoogieIcfgContainer [2024-11-13 21:32:44,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:32:44,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:32:44,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:32:44,426 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:32:44,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:44" (1/1) ... [2024-11-13 21:32:44,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:32:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 21:32:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 21:32:44,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:32:44,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:44,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:44,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:44,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:44,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:32:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:44,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:44,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:32:44,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:32:44,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:32:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:44,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 21:32:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 21:32:44,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:32:44,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:44,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:44,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:44,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:44,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:32:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:45,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:45,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:32:45,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:32:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:32:45,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:32:47,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:47,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-13 21:32:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-13 21:32:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:32:47,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:32:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:32:47,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:32:47,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:32:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:48,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:32:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:48,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:32:48,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:04,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:33:04,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:33:31,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 21:33:33,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 21:33:33,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:33:33,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:33,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:33:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:33:33,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:33:33,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:33:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:34,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:33:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:35,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:33:35,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:33:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:33:36,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:34:23,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:34:26,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 21:34:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 21:34:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 21:34:26,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:26,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:27,001 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:27,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:34:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:27,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:27,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 21:34:27,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:32,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:34:32,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 21:35:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 55 transitions. [2024-11-13 21:35:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-13 21:35:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 21:35:51,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:51,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:51,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:51,898 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:51,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:35:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:53,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:54,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 21:35:54,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 21:35:56,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:36:47,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:37:04,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:37:08,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 60 transitions. [2024-11-13 21:37:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 21:37:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:37:08,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:37:08,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:37:08,450 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:37:08,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:37:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:09,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:37:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:10,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:37:10,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:37:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 21:37:15,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:39:06,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 78 transitions. [2024-11-13 21:39:06,625 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-13 21:39:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:39:06,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:06,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:06,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:06,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:06,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:39:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:08,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:09,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:39:09,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:11,711 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-13 21:39:11,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:40:09,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:40:29,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:40:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 83 transitions. [2024-11-13 21:40:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2024-11-13 21:40:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:40:31,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:31,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:31,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:40:31,822 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:40:31,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 21:40:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:33,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:40:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:34,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:40:34,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:40:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 21:40:38,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 21:42:03,657 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:42:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:42:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 95 transitions. [2024-11-13 21:42:17,254 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2024-11-13 21:42:17,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:42:17,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:42:17,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:42:17,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:42:17,260 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:42:17,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 21:42:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:19,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:42:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:42:20,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 21:42:20,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:42:23,646 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 31 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 21:42:23,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 21:42:46,851 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:16,800 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:43:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 100 transitions. [2024-11-13 21:43:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2024-11-13 21:43:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 21:43:51,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:51,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:51,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:51,682 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:51,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 21:43:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:53,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:43:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:43:54,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:43:54,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:44:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 21:44:01,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 21:44:57,882 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:46:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 62 states and 112 transitions. [2024-11-13 21:46:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-13 21:46:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 21:46:04,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:04,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:46:04,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:46:04,580 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:46:04,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4587edb0-8963-45cc-af3f-e8932bff7021/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 21:46:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:07,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:46:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:08,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:46:08,876 INFO L278 TraceCheckSpWp]: Computing forward predicates...