./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:36:46,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:36:46,909 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:36:46,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:36:46,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:36:46,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:36:46,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:36:46,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:36:46,933 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:36:46,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:36:46,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:36:46,934 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:36:46,935 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:36:46,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:36:46,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:36:46,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:36:46,935 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_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 [2024-12-06 04:36:47,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:36:47,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:36:47,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:36:47,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:36:47,189 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:36:47,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-12-06 04:36:49,853 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/47eca2304/6e9dcae940fd4fb18078f0b99b34b038/FLAG14f2a2bb8 [2024-12-06 04:36:50,045 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:36:50,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-12-06 04:36:50,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/47eca2304/6e9dcae940fd4fb18078f0b99b34b038/FLAG14f2a2bb8 [2024-12-06 04:36:50,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/47eca2304/6e9dcae940fd4fb18078f0b99b34b038 [2024-12-06 04:36:50,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:36:50,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:36:50,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:36:50,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:36:50,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:36:50,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcb01b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50, skipping insertion in model container [2024-12-06 04:36:50,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:36:50,219 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_a1c25069-fc83-4383-9a42-8d862276b6ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-12-06 04:36:50,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:36:50,244 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:36:50,254 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_a1c25069-fc83-4383-9a42-8d862276b6ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-12-06 04:36:50,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:36:50,270 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:36:50,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50 WrapperNode [2024-12-06 04:36:50,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:36:50,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:36:50,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:36:50,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:36:50,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,284 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,296 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-06 04:36:50,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:36:50,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:36:50,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:36:50,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:36:50,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,303 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,305 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:36:50,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:36:50,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:36:50,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:36:50,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:36:50,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:36:50,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:36:50,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:36:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:36:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:36:50,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:36:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:36:50,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:36:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:36:50,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:36:50,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:36:50,415 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:36:50,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:36:50,508 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 04:36:50,508 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:36:50,530 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:36:50,530 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:36:50,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:50 BoogieIcfgContainer [2024-12-06 04:36:50,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:36:50,531 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:36:50,531 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:36:50,537 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:36:50,538 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:36:50" (1/1) ... [2024-12-06 04:36:50,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:36:50,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 04:36:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 04:36:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:36:50,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:50,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:50,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:36:50,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:36:50,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 04:36:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 04:36:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:36:50,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:50,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:36:51,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 04:36:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 04:36:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:36:51,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:51,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:51,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:36:51,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:36:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:51,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-06 04:36:51,791 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 04:36:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:36:51,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:51,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:51,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:36:51,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:51,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:36:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 04:36:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 04:36:51,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:36:51,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:51,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:36:51,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:36:52,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 04:36:52,285 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 04:36:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:36:52,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:52,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:52,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:36:52,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 04:36:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-06 04:36:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-06 04:36:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:36:53,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:53,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:53,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 04:36:53,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 04:36:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-06 04:36:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-06 04:36:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:36:53,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:53,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:53,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:36:53,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:36:54,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-06 04:36:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-06 04:36:54,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:36:54,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:54,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:54,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 04:36:54,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 04:36:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-06 04:36:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-06 04:36:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 04:36:55,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:55,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:55,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 04:36:55,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 9 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 04:36:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 04:36:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 04:36:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:36:56,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:56,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:56,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 04:36:56,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-12-06 04:36:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 92 transitions. [2024-12-06 04:36:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2024-12-06 04:36:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:36:57,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:57,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:36:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:36:57,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 04:36:57,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:36:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-06 04:36:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:36:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-12-06 04:36:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-06 04:36:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 04:36:58,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:36:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:36:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:37:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:37:08,692 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 04:37:08,696 INFO L158 Benchmark]: Toolchain (without parser) took 18627.65ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 85.0MB in the end (delta: 32.9MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-12-06 04:37:08,696 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:37:08,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.95ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:37:08,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.48ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:37:08,697 INFO L158 Benchmark]: Boogie Preprocessor took 14.40ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 754.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:37:08,697 INFO L158 Benchmark]: RCFGBuilder took 219.02ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 93.4MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:37:08,698 INFO L158 Benchmark]: CodeCheck took 18163.89ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 85.0MB in the end (delta: 8.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-12-06 04:37:08,700 INFO L338 ainManager$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 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.95ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.6MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.48ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.40ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.7MB in the end (delta: 754.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 219.02ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 93.4MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 18163.89ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 85.0MB in the end (delta: 8.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:37:08,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:37:10,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:37:10,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:37:10,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:37:10,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:37:10,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:37:10,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:37:10,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:37:10,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:37:10,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:37:10,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:37:10,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:37:10,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:37:10,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:37:10,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:37:10,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:37:10,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:37:10,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:37:10,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:37:10,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:37:10,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:37:10,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:37:10,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:37:10,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:37:10,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:37:10,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:37:10,758 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:37:10,758 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:10,758 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:37:10,758 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_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3033c827040052fc2b3f2ac84da9b892249c5596676af10298d2e88bf55166 [2024-12-06 04:37:10,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:37:10,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:37:10,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:37:10,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:37:10,989 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:37:10,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-12-06 04:37:13,653 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/f7aeaefd5/974f292982834d9593a62f68065303de/FLAG7ea41d9b5 [2024-12-06 04:37:13,836 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:37:13,836 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c [2024-12-06 04:37:13,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/f7aeaefd5/974f292982834d9593a62f68065303de/FLAG7ea41d9b5 [2024-12-06 04:37:13,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/data/f7aeaefd5/974f292982834d9593a62f68065303de [2024-12-06 04:37:13,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:37:13,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:37:13,871 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:37:13,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:37:13,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:37:13,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:37:13" (1/1) ... [2024-12-06 04:37:13,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213811c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:13, skipping insertion in model container [2024-12-06 04:37:13,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:37:13" (1/1) ... [2024-12-06 04:37:13,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:37:14,025 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_a1c25069-fc83-4383-9a42-8d862276b6ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-12-06 04:37:14,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:37:14,056 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:37:14,066 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_a1c25069-fc83-4383-9a42-8d862276b6ac/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound50.c[458,471] [2024-12-06 04:37:14,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:37:14,088 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:37:14,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14 WrapperNode [2024-12-06 04:37:14,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:37:14,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:37:14,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:37:14,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:37:14,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,117 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-06 04:37:14,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:37:14,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:37:14,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:37:14,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:37:14,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,126 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,131 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:37:14,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:37:14,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:37:14,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:37:14,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:37:14,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:37:14,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:37:14,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:37:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:37:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:37:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 04:37:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 04:37:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:37:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:37:14,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:37:14,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:37:14,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:37:14,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:37:14,762 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 04:37:14,762 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:37:14,789 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:37:14,789 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:37:14,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:37:14 BoogieIcfgContainer [2024-12-06 04:37:14,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:37:14,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:37:14,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:37:14,800 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:37:14,800 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:37:14" (1/1) ... [2024-12-06 04:37:14,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:37:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 04:37:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 04:37:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:37:14,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:14,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:14,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:14,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:14,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:37:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:15,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:15,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:37:15,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:37:15,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:37:16,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:16,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 04:37:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 04:37:16,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:37:16,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:16,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:16,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:16,915 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:16,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:37:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:17,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:37:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:17,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:37:17,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:37:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:37:31,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:37:59,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:37:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 04:37:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 04:37:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 04:37:59,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:37:59,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:37:59,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:37:59,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:37:59,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:37:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:37:59,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:00,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:38:00,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 04:38:01,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:38:32,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:38:40,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:38:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:38:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 04:38:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 04:38:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:38:41,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:38:41,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:38:41,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:38:41,695 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:38:41,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:38:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:42,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:38:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:38:42,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 04:38:42,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:38:46,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:38:46,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:39:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:39:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-12-06 04:39:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 04:39:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 04:39:48,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:39:48,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:39:48,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:39:48,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:39:48,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:39:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:49,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:39:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:39:50,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 04:39:50,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:39:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 04:39:51,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-06 04:40:34,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:40:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:40:52,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-12-06 04:40:52,807 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 04:40:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 04:40:52,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:40:52,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:40:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:40:52,810 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:40:52,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:40:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:53,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:40:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:40:54,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 04:40:54,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:40:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 04:40:58,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:25,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:42:25,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-12-06 04:42:25,569 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 04:42:25,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 04:42:25,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:42:25,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:42:25,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:42:25,572 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:42:25,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:42:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:27,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:42:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:42:28,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:42:28,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:42:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 04:42:30,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 04:42:54,558 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:43:22,801 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:43:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:43:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-12-06 04:43:48,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-12-06 04:43:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 04:43:48,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:43:48,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:43:48,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:43:48,007 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:43:48,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:43:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:49,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:43:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:43:50,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:43:50,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:43:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-06 04:43:53,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-06 04:45:24,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:45:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-12-06 04:45:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-06 04:45:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 04:45:24,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:45:24,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:45:24,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:45:24,628 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:45:24,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:45:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:26,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:45:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:45:27,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:45:27,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:45:30,309 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 04:45:30,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 04:46:24,915 WARN L286 SmtUtils]: Spent 5.93s 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) [2024-12-06 04:46:27,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:46:55,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:46:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:46:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-12-06 04:46:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-12-06 04:46:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 04:46:57,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:46:57,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:46:57,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:46:57,377 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:46:57,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:46:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:59,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:46:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:46:59,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 04:46:59,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:47:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 04:47:05,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-06 04:48:36,799 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:48:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:51,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-12-06 04:48:51,097 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-12-06 04:48:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 04:48:51,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:51,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:51,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:51,101 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:51,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:48:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:54,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:48:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:48:55,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:48:55,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:48:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 31 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 04:48:58,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 04:49:53,339 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 04:50:33,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:50:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-12-06 04:50:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-06 04:50:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:50:33,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:50:33,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:50:33,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:50:33,514 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:50:33,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:50:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:35,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:50:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:50:36,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 04:50:36,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:50:47,996 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 04:50:48,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c25069-fc83-4383-9a42-8d862276b6ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 04:51:58,534 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)