./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.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_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/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_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/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_b045b5b7-a7b0-41cf-ab81-95656b2768db/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 2436c69c19f049d89ef519f7bd9d4cf3f7b648737fca21472b0299c532d84f11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:13:09,860 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:13:09,918 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:13:09,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:13:09,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:13:09,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:13:09,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:13:09,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:13:09,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:13:09,944 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:13:09,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:13:09,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:13:09,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:13:09,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:13:09,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:13:09,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:13:09,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:13:09,946 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_b045b5b7-a7b0-41cf-ab81-95656b2768db/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 -> 2436c69c19f049d89ef519f7bd9d4cf3f7b648737fca21472b0299c532d84f11 [2024-12-06 05:13:10,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:13:10,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:13:10,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:13:10,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:13:10,191 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:13:10,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c [2024-12-06 05:13:12,861 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/c3fb2d1cc/d6e930063de44731b1451cf364c445ac/FLAG2666798c1 [2024-12-06 05:13:13,072 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:13:13,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c [2024-12-06 05:13:13,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/c3fb2d1cc/d6e930063de44731b1451cf364c445ac/FLAG2666798c1 [2024-12-06 05:13:13,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/c3fb2d1cc/d6e930063de44731b1451cf364c445ac [2024-12-06 05:13:13,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:13:13,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:13:13,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:13:13,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:13:13,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:13:13,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e5f74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13, skipping insertion in model container [2024-12-06 05:13:13,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:13:13,217 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_b045b5b7-a7b0-41cf-ab81-95656b2768db/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c[458,471] [2024-12-06 05:13:13,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:13:13,238 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:13:13,246 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_b045b5b7-a7b0-41cf-ab81-95656b2768db/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c[458,471] [2024-12-06 05:13:13,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:13:13,264 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:13:13,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13 WrapperNode [2024-12-06 05:13:13,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:13:13,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:13:13,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:13:13,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:13:13,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,287 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-12-06 05:13:13,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:13:13,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:13:13,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:13:13,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:13:13,293 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,294 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,297 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:13:13,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:13:13,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:13:13,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:13:13,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:13:13,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:13:13,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:13:13,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:13:13,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:13:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:13:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:13:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:13:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:13:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:13:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:13:13,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:13:13,398 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:13:13,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:13:13,504 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 05:13:13,504 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:13:13,527 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:13:13,528 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:13:13,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:13:13 BoogieIcfgContainer [2024-12-06 05:13:13,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:13:13,529 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:13:13,529 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:13:13,536 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:13:13,536 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:13:13" (1/1) ... [2024-12-06 05:13:13,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:13:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:13,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 05:13:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 05:13:13,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:13:13,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:13,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 05:13:13,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:13,784 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 05:13:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 05:13:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 05:13:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:13:13,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:14,177 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 05:13:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 05:13:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 05:13:14,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:13:14,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:14,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:14,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:13:14,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:14,644 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 05:13:17,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:13:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-12-06 05:13:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-12-06 05:13:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:13:17,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:17,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:17,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:13:17,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:18,013 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 05:13:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-06 05:13:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-06 05:13:18,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:13:18,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:18,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:18,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:13:18,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 05:13:21,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:13:21,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-06 05:13:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 05:13:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 05:13:21,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:21,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:21,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 05:13:21,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:21,667 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 05:13:22,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2024-12-06 05:13:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2024-12-06 05:13:22,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:13:22,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:22,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:13:22,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:22,400 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 05:13:25,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:13:25,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2024-12-06 05:13:25,855 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2024-12-06 05:13:25,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 05:13:25,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:25,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:25,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 05:13:25,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:26,046 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-12-06 05:13:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 41 states and 71 transitions. [2024-12-06 05:13:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 71 transitions. [2024-12-06 05:13:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:13:26,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:26,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:13:26,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:26,935 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 05:13:30,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 05:13:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:30,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2024-12-06 05:13:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-12-06 05:13:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 05:13:30,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:30,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:30,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:13:30,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:30,686 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 05:13:31,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2024-12-06 05:13:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2024-12-06 05:13:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 05:13:31,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:31,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:13:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:13:41,537 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:13:41,540 INFO L158 Benchmark]: Toolchain (without parser) took 28443.30ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 57.3MB in the end (delta: 60.2MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-12-06 05:13:41,541 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:13:41,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.66ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:13:41,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.86ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:13:41,542 INFO L158 Benchmark]: Boogie Preprocessor took 15.12ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.3MB in the end (delta: 833.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:13:41,542 INFO L158 Benchmark]: RCFGBuilder took 224.36ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:13:41,542 INFO L158 Benchmark]: CodeCheck took 28011.22ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 57.3MB in the end (delta: 35.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-12-06 05:13:41,544 INFO L338 ainManager$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 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 166.66ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 106.2MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.86ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.12ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.3MB in the end (delta: 833.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.36ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 28011.22ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 57.3MB in the end (delta: 35.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:13:41,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/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_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/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_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/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_b045b5b7-a7b0-41cf-ab81-95656b2768db/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 2436c69c19f049d89ef519f7bd9d4cf3f7b648737fca21472b0299c532d84f11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:13:43,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:13:43,456 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:13:43,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:13:43,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:13:43,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:13:43,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:13:43,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:13:43,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:13:43,483 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:43,483 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:13:43,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:13:43,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:13:43,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:13:43,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:13:43,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:13:43,484 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:13:43,484 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:43,484 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:13:43,484 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_b045b5b7-a7b0-41cf-ab81-95656b2768db/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 -> 2436c69c19f049d89ef519f7bd9d4cf3f7b648737fca21472b0299c532d84f11 [2024-12-06 05:13:43,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:13:43,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:13:43,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:13:43,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:13:43,731 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:13:43,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c [2024-12-06 05:13:46,389 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/c2830cf22/30873f8f39de4863b50c41b437809c62/FLAGf8332bbc1 [2024-12-06 05:13:46,586 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:13:46,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c [2024-12-06 05:13:46,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/c2830cf22/30873f8f39de4863b50c41b437809c62/FLAGf8332bbc1 [2024-12-06 05:13:46,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/data/c2830cf22/30873f8f39de4863b50c41b437809c62 [2024-12-06 05:13:46,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:13:46,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:13:46,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:13:46,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:13:46,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:13:46,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:13:46" (1/1) ... [2024-12-06 05:13:46,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5236bb47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:46, skipping insertion in model container [2024-12-06 05:13:46,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:13:46" (1/1) ... [2024-12-06 05:13:46,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:13:47,104 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_b045b5b7-a7b0-41cf-ab81-95656b2768db/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c[458,471] [2024-12-06 05:13:47,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:13:47,132 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:13:47,142 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_b045b5b7-a7b0-41cf-ab81-95656b2768db/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound100.c[458,471] [2024-12-06 05:13:47,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:13:47,163 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:13:47,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47 WrapperNode [2024-12-06 05:13:47,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:13:47,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:13:47,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:13:47,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:13:47,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,192 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-12-06 05:13:47,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:13:47,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:13:47,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:13:47,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:13:47,200 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,206 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:13:47,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:13:47,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:13:47,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:13:47,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:13:47,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:13:47,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:13:47,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:13:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:13:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:13:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:13:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:13:47,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:13:47,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:13:47,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:13:47,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:13:47,328 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:13:47,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:13:47,558 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 05:13:47,558 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:13:47,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:13:47,585 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:13:47,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:13:47 BoogieIcfgContainer [2024-12-06 05:13:47,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:13:47,587 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:13:47,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:13:47,596 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:13:47,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:13:47" (1/1) ... [2024-12-06 05:13:47,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:13:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-12-06 05:13:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-12-06 05:13:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:13:47,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:47,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:47,649 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:47,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:13:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:47,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:47,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 05:13:47,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:13:48,063 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 05:13:48,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:13:49,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:13:49,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 05:13:49,490 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 05:13:49,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:13:49,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:13:49,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:13:49,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:13:49,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:13:49,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:13:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:49,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:13:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:13:49,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:13:49,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:02,395 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 05:14:02,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:14:23,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-12-06 05:14:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-12-06 05:14:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:14:23,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:23,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:23,866 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:23,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:14:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:24,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:24,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:14:24,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:14:25,805 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 05:14:25,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:14:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:14:58,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-12-06 05:14:58,345 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-12-06 05:14:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:14:58,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:14:58,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:14:58,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:14:58,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:14:58,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:14:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:58,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:14:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:14:58,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 05:14:58,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:01,360 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 05:15:01,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:15:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:15:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2024-12-06 05:15:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-12-06 05:15:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:15:47,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:15:47,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:15:47,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:15:47,767 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:15:47,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:15:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:48,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:15:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:15:49,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:15:49,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:15:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 05:15:50,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:16:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:16:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 55 transitions. [2024-12-06 05:16:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-12-06 05:16:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 05:16:36,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:16:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:16:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:16:36,430 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:16:36,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:16:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:37,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:16:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:16:37,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:16:37,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:16:40,592 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 05:16:40,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 05:17:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:17:45,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 71 transitions. [2024-12-06 05:17:45,626 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2024-12-06 05:17:45,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:17:45,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:17:45,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:17:45,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:17:45,629 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:17:45,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 05:17:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:47,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:17:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:17:47,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:17:47,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:17:48,986 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 05:17:48,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 05:18:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:18:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 75 transitions. [2024-12-06 05:18:44,459 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2024-12-06 05:18:44,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 05:18:44,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:18:44,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:18:44,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:18:44,462 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:18:44,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 05:18:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:45,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:18:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:18:46,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 05:18:46,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:18:49,234 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 05:18:49,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 05:19:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:19:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2024-12-06 05:19:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-12-06 05:19:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 05:19:55,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:19:55,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:19:55,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:19:55,397 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:19:55,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 05:19:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:57,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:19:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:19:58,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 05:19:58,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:19:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-06 05:19:59,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-06 05:20:16,565 WARN L286 SmtUtils]: Spent 5.22s 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 05:20:39,117 WARN L286 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:20:41,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:21:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:21:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 90 transitions. [2024-12-06 05:21:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions. [2024-12-06 05:21:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 05:21:00,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:21:00,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:21:00,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:21:00,788 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:21:00,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 05:21:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:02,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:21:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:21:02,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 05:21:02,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:21:06,989 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 05:21:07,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 05:22:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 101 transitions. [2024-12-06 05:22:27,506 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2024-12-06 05:22:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-06 05:22:27,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:27,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:27,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:27,509 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:27,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 05:22:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:29,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:30,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:22:30,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-12-06 05:22:33,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-12-06 05:22:53,512 WARN L286 SmtUtils]: Spent 6.62s 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 05:23:18,955 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:23:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 105 transitions. [2024-12-06 05:23:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2024-12-06 05:23:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:23:45,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:45,186 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:45,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 05:23:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:47,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:47,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 05:23:47,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:57,118 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 05:23:57,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-12-06 05:25:21,932 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:25:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:25:36,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 116 transitions. [2024-12-06 05:25:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-12-06 05:25:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-06 05:25:36,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:25:36,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:25:36,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:25:36,593 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:25:36,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 05:25:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:39,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:25:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:25:40,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 05:25:40,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:25:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 05:25:44,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-06 05:26:05,489 WARN L286 SmtUtils]: Spent 6.74s 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 05:26:34,288 WARN L286 SmtUtils]: Spent 6.01s 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) [2024-12-06 05:27:06,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 05:27:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:27:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 120 transitions. [2024-12-06 05:27:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 120 transitions. [2024-12-06 05:27:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-12-06 05:27:09,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:27:09,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:27:09,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:27:09,323 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:27:09,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 05:27:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:11,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:27:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:27:12,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:27:12,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:27:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-12-06 05:27:20,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b045b5b7-a7b0-41cf-ab81-95656b2768db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 05:28:15,976 WARN L286 SmtUtils]: Spent 6.17s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)