./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:16:09,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:16:09,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:16:09,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:16:09,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:16:09,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:16:09,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:16:09,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:16:09,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:16:09,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:16:09,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:16:09,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:16:09,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:16:09,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:16:09,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:16:09,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:16:09,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:16:09,351 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:16:09,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:16:09,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:16:09,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:16:09,351 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:16:09,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:16:09,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:16:09,352 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:16:09,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:16:09,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:16:09,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:16:09,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:16:09,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:16:09,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:16:09,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:16:09,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:16:09,353 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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-25 04:16:09,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:16:09,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:16:09,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:16:09,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:16:09,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:16:09,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-25 04:16:12,541 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/8a25966b9/346db2edaec2426baa245b2c65a28c10/FLAG50b4eb27d [2024-11-25 04:16:12,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:16:12,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-25 04:16:12,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/8a25966b9/346db2edaec2426baa245b2c65a28c10/FLAG50b4eb27d [2024-11-25 04:16:12,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/8a25966b9/346db2edaec2426baa245b2c65a28c10 [2024-11-25 04:16:12,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:16:12,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:16:12,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:16:12,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:16:12,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:16:12,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:16:12" (1/1) ... [2024-11-25 04:16:12,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6454f824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:12, skipping insertion in model container [2024-11-25 04:16:12,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:16:12" (1/1) ... [2024-11-25 04:16:12,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:16:13,106 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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-25 04:16:13,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:16:13,147 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:16:13,161 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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-25 04:16:13,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:16:13,194 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:16:13,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13 WrapperNode [2024-11-25 04:16:13,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:16:13,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:16:13,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:16:13,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:16:13,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,234 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-25 04:16:13,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:16:13,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:16:13,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:16:13,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:16:13,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,249 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,249 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,252 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,252 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:16:13,266 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:16:13,266 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:16:13,266 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:16:13,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:16:13,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:16:13,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:16:13,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:16:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:16:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:16:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:16:13,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:16:13,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:16:13,401 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:16:13,403 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:16:13,550 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 04:16:13,550 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:16:13,596 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:16:13,596 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:16:13,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:16:13 BoogieIcfgContainer [2024-11-25 04:16:13,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:16:13,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:16:13,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:16:13,611 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:16:13,611 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:16:13" (1/1) ... [2024-11-25 04:16:13,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:16:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:16:13,674 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:16:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:16:13,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:13,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:16:13,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:13,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:16:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:16:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:16:13,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:13,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:13,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:16:13,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:14,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:16:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 04:16:14,138 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 04:16:14,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:16:14,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:16:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 04:16:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 04:16:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:16:14,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:14,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:15,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:16:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 04:16:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 04:16:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:16:15,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:15,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:15,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 04:16:15,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:16:19,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:16:19,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:16:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:16:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:16:19,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:19,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:16:19,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:16:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-25 04:16:19,859 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 04:16:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:16:19,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:19,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:16:20,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:20,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-25 04:16:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-25 04:16:20,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:16:20,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:20,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:20,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:16:20,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:20,976 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 04:16:24,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:16:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-25 04:16:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-25 04:16:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:16:24,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:24,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:24,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:16:24,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:24,982 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:16:26,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-11-25 04:16:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 04:16:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:16:26,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:26,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:16:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-11-25 04:16:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-11-25 04:16:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:16:28,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:28,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:28,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 04:16:28,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:16:32,043 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 [] [2024-11-25 04:16:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-11-25 04:16:32,079 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-11-25 04:16:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:16:32,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:32,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:32,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:16:32,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:16:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-11-25 04:16:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-25 04:16:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:16:35,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:35,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 04:16:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-11-25 04:16:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-11-25 04:16:36,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:16:36,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:36,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:37,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 04:16:37,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:38,221 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:16:42,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:16:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-11-25 04:16:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-11-25 04:16:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 04:16:42,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:42,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:42,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:16:42,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:43,040 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 04:16:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-11-25 04:16:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-11-25 04:16:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 04:16:45,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 04:16:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-11-25 04:16:47,255 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-11-25 04:16:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 04:16:47,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:47,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:51,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:16:51,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:51,690 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 04:16:56,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:16:56,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-11-25 04:16:56,103 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-11-25 04:16:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 04:16:56,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:56,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:16:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:16:56,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 04:16:56,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:16:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 04:16:59,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:16:59,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-11-25 04:16:59,688 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-11-25 04:16:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 04:16:59,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:16:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:16:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 04:17:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-11-25 04:17:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-11-25 04:17:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 04:17:01,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:01,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:17:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:17:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:17:11,621 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:17:11,626 INFO L158 Benchmark]: Toolchain (without parser) took 58726.19ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.8MB in the beginning and 231.9MB in the end (delta: -137.1MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2024-11-25 04:17:11,626 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:17:11,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.49ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:17:11,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.31ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:17:11,628 INFO L158 Benchmark]: Boogie Preprocessor took 27.06ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.5MB in the end (delta: 550.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:17:11,628 INFO L158 Benchmark]: RCFGBuilder took 330.53ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 68.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:17:11,629 INFO L158 Benchmark]: CodeCheck took 58028.10ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.8MB in the beginning and 231.9MB in the end (delta: -163.1MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2024-11-25 04:17:11,631 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 0.39ms. Allocated memory is still 142.6MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.49ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 83.4MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.31ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.06ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.5MB in the end (delta: 550.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.53ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 68.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 58028.10ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 68.8MB in the beginning and 231.9MB in the end (delta: -163.1MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:17:11,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:17:14,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:17:14,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:17:14,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:17:14,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:17:14,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:17:14,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:17:14,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:17:14,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:17:14,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:17:14,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:17:14,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:17:14,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:17:14,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:17:14,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:17:14,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:17:14,438 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:17:14,438 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:17:14,438 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:17:14,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:17:14,439 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:14,440 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:17:14,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:17:14,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:14,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:17:14,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:17:14,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:17:14,441 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:17:14,441 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:14,441 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:17:14,442 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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e51b21c2da790a7136d7ad701fd2bec1367e3ae6dd3a60c613fa7cfa4db22905 [2024-11-25 04:17:14,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:17:14,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:17:14,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:17:14,785 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:17:14,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:17:14,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-25 04:17:17,807 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/82c754459/82a9638731aa45abb16180877dc88693/FLAGc5d39c8a7 [2024-11-25 04:17:18,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:17:18,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c [2024-11-25 04:17:18,078 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/82c754459/82a9638731aa45abb16180877dc88693/FLAGc5d39c8a7 [2024-11-25 04:17:18,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/data/82c754459/82a9638731aa45abb16180877dc88693 [2024-11-25 04:17:18,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:17:18,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:17:18,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:18,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:17:18,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:17:18,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bd7e130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18, skipping insertion in model container [2024-11-25 04:17:18,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:17:18,302 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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-25 04:17:18,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:17:18,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:17:18,364 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_1e2a31e9-714c-4f7a-936d-64c696e7c4be/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound20.c[458,471] [2024-11-25 04:17:18,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:17:18,403 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:17:18,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18 WrapperNode [2024-11-25 04:17:18,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:18,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:17:18,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:17:18,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:17:18,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,444 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-25 04:17:18,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:17:18,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:17:18,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:17:18,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:17:18,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,466 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:17:18,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:17:18,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:17:18,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:17:18,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:18" (1/1) ... [2024-11-25 04:17:18,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:18,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:17:18,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:17:18,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:17:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:17:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:17:18,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:17:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:17:18,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:17:18,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:17:18,619 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:17:18,621 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:17:19,191 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 04:17:19,191 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:17:19,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:17:19,243 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:17:19,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:17:19 BoogieIcfgContainer [2024-11-25 04:17:19,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:17:19,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:17:19,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:17:19,255 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:17:19,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:17:19" (1/1) ... [2024-11-25 04:17:19,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:17:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 04:17:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 04:17:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:17:19,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:19,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:19,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:19,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:17:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:19,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:19,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 04:17:19,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:19,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:17:19,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:17:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 04:17:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 04:17:19,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:17:19,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:19,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:19,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:19,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:17:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:20,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:20,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:17:20,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:17:20,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:17:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 04:17:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 04:17:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:17:22,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:22,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:22,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:22,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:22,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:17:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:22,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:22,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:17:22,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:23,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:17:23,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 04:17:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:17:23,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 04:17:23,789 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 04:17:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:17:23,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:17:23,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:17:23,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:17:23,793 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:17:23,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:17:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:24,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:17:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:17:24,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 04:17:24,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:17:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:17:40,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:18:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:18:10,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-25 04:18:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-25 04:18:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 04:18:10,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:18:10,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:18:10,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:18:10,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:18:10,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:18:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:11,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:18:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:18:11,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:18:11,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:18:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:18:12,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:19:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-11-25 04:19:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-25 04:19:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 04:19:01,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:01,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:19:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:01,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:01,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:19:01,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:03,086 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:19:03,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:19:53,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:19:53,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-11-25 04:19:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-25 04:19:53,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 04:19:53,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:19:53,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:19:53,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:19:53,441 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:19:53,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:19:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:54,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:19:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:19:54,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 04:19:54,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:19:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:19:58,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 04:20:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:20:41,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-11-25 04:20:41,929 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-11-25 04:20:41,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 04:20:41,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:20:41,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:20:41,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:20:41,933 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:20:41,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:20:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:43,295 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:20:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:20:43,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:20:43,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:20:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:20:45,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 04:21:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-11-25 04:21:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-11-25 04:21:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 04:21:57,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:57,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:57,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:57,818 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:21:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:59,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:21:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:21:59,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:21:59,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:22:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:22:03,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 04:24:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-11-25 04:24:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-11-25 04:24:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 04:24:08,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:24:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:24:08,939 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:24:08,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:24:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:10,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:24:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:24:11,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 04:24:11,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:24:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:24:17,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 04:25:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2024-11-25 04:25:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2024-11-25 04:25:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:25:24,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:24,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:24,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:24,853 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:24,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:25:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:26,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:25:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:27,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 04:25:27,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:25:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:25:30,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 04:27:03,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:27:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 65 states and 158 transitions. [2024-11-25 04:27:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 158 transitions. [2024-11-25 04:27:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 04:27:03,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:27:03,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:27:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:27:03,172 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:27:03,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:27:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:04,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:27:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:27:05,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:27:05,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:27:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 04:27:10,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 04:29:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:29:23,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 71 states and 186 transitions. [2024-11-25 04:29:23,035 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 186 transitions. [2024-11-25 04:29:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 04:29:23,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:29:23,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:29:23,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:29:23,045 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:29:23,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:29:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:24,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:29:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:29:25,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 04:29:25,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:29:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:29:38,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 04:31:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:14,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 79 states and 226 transitions. [2024-11-25 04:31:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 226 transitions. [2024-11-25 04:31:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 04:31:14,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:14,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:14,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:14,512 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:14,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:31:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:16,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:17,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:17,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:31:17,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 04:31:21,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2a31e9-714c-4f7a-936d-64c696e7c4be/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0