./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:32:40,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:32:40,381 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:32:40,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:32:40,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:32:40,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:32:40,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:32:40,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:32:40,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:32:40,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:32:40,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:32:40,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:32:40,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:32:40,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:32:40,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:32:40,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:32:40,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:32:40,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:32:40,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:32:40,430 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:32:40,430 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:32:40,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:32:40,431 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:32:40,431 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:32:40,431 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:32:40,431 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:32:40,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:32:40,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:40,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:32:40,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:32:40,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:32:40,432 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:32:40,432 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:32:40,433 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed [2024-11-13 20:32:40,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:32:40,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:32:40,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:32:40,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:32:40,842 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:32:40,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c Unable to find full path for "g++" [2024-11-13 20:32:42,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:32:43,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:32:43,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c [2024-11-13 20:32:43,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data/bf2c6cf72/df280a7106334e7b96f7566394c6469b/FLAG964250d31 [2024-11-13 20:32:43,402 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data/bf2c6cf72/df280a7106334e7b96f7566394c6469b [2024-11-13 20:32:43,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:32:43,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:32:43,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:43,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:32:43,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:32:43,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d61fdce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43, skipping insertion in model container [2024-11-13 20:32:43,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:32:43,613 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-13 20:32:43,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:43,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:32:43,660 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-13 20:32:43,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:32:43,682 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:32:43,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43 WrapperNode [2024-11-13 20:32:43,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:32:43,685 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:43,685 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:32:43,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:32:43,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,722 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 20:32:43,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:32:43,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:32:43,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:32:43,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:32:43,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:32:43,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:32:43,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:32:43,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:32:43,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:32:43" (1/1) ... [2024-11-13 20:32:43,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:43,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:32:43,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:32:43,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:32:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:32:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:32:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:32:43,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:32:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:32:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:32:43,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:32:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:32:43,901 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:32:43,904 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:32:44,166 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:32:44,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:32:44,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:32:44,237 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 20:32:44,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:44 BoogieIcfgContainer [2024-11-13 20:32:44,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:32:44,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:32:44,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:32:44,253 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:32:44,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:32:44" (1/1) ... [2024-11-13 20:32:44,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:32:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:44,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 20:32:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 20:32:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:32:44,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:44,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:44,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:32:44,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:32:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-13 20:32:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 20:32:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:32:45,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:45,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:55,327 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:32:55,332 INFO L158 Benchmark]: Toolchain (without parser) took 11925.36ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 89.8MB in the end (delta: 3.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,333 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:55,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.69ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:32:55,334 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 833.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,335 INFO L158 Benchmark]: RCFGBuilder took 489.75ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,335 INFO L158 Benchmark]: CodeCheck took 11091.68ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 89.8MB in the end (delta: -23.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-13 20:32:55,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.69ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.2MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.2MB in the end (delta: 833.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 489.75ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 66.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11091.68ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 89.8MB in the end (delta: -23.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:32:55,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:32:58,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:32:58,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:32:58,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:32:58,761 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:32:58,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:32:58,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:32:58,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:32:58,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:32:58,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:32:58,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:32:58,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:32:58,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:32:58,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:32:58,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:32:58,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:32:58,766 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:32:58,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:32:58,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:32:58,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:32:58,767 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:58,768 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:32:58,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:32:58,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:32:58,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:32:58,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:32:58,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:32:58,769 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:32:58,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:32:58,769 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:32:58,769 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed [2024-11-13 20:32:59,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:32:59,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:32:59,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:32:59,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:32:59,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:32:59,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c Unable to find full path for "g++" [2024-11-13 20:33:01,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:33:01,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:33:01,637 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c [2024-11-13 20:33:01,662 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data/85491956b/32517d8bb90441b9903ecb5af82a81e8/FLAGfc787b0ee [2024-11-13 20:33:01,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/data/85491956b/32517d8bb90441b9903ecb5af82a81e8 [2024-11-13 20:33:01,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:33:01,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:33:01,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:01,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:33:01,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:33:01,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:01" (1/1) ... [2024-11-13 20:33:01,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393c9d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:01, skipping insertion in model container [2024-11-13 20:33:01,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:33:01" (1/1) ... [2024-11-13 20:33:01,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:33:01,922 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-13 20:33:01,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:01,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:33:01,988 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_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-13 20:33:02,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:33:02,023 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:33:02,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02 WrapperNode [2024-11-13 20:33:02,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:33:02,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:02,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:33:02,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:33:02,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,067 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-13 20:33:02,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:33:02,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:33:02,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:33:02,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:33:02,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:33:02,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:33:02,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:33:02,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:33:02,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:33:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:33:02,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:33:02,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:33:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:33:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:33:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:33:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:33:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:33:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:33:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:33:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:33:02,274 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:33:02,276 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:33:02,539 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:33:02,539 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:33:02,585 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:33:02,586 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 20:33:02,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:02 BoogieIcfgContainer [2024-11-13 20:33:02,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:33:02,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:33:02,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:33:02,602 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:33:02,602 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:02" (1/1) ... [2024-11-13 20:33:02,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:33:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 20:33:02,683 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 20:33:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:33:02,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:02,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:02,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:02,697 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:02,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:33:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:02,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:03,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 20:33:03,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:33:03,831 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:33:03,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:33:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:04,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-13 20:33:04,732 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 20:33:04,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:33:04,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:04,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:04,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:04,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:04,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:33:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:04,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:04,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:33:04,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 20:33:05,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:33:06,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2024-11-13 20:33:06,611 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-13 20:33:06,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:33:06,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:06,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:06,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:06,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:33:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:06,768 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:06,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:33:06,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 20:33:08,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:33:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 73 transitions. [2024-11-13 20:33:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-13 20:33:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 20:33:11,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:11,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:11,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:11,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:11,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:33:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:11,469 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:11,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:33:11,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 20:33:11,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:33:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 75 transitions. [2024-11-13 20:33:12,397 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-13 20:33:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:33:12,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:12,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:12,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:12,405 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:12,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:33:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:12,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:12,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:33:12,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 20:33:14,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 20:33:27,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:33:27,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 80 transitions. [2024-11-13 20:33:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-11-13 20:33:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:33:27,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:27,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:27,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:27,842 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:27,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:33:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:28,072 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:28,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:33:28,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:29,417 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:33:29,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:33:43,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:33:48,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:33:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-13 20:33:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-13 20:33:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:33:48,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:33:48,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:33:48,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:33:48,497 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:33:48,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:33:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:48,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:33:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:33:48,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:33:48,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:33:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 20:33:50,198 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:33:50,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:34:00,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:34:11,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:34:24,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:34:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-13 20:34:25,272 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-13 20:34:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:34:25,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:25,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:25,278 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:25,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:34:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:25,490 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:34:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:25,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 20:34:25,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 20:34:26,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 20:34:43,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:34:53,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:34:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 59 states and 102 transitions. [2024-11-13 20:34:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-11-13 20:34:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:34:54,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:54,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:54,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:54,270 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:54,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:34:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:54,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:34:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:54,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 20:34:54,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-13 20:34:55,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 20:35:10,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:35:17,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 109 transitions. [2024-11-13 20:35:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2024-11-13 20:35:17,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 20:35:17,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:17,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:17,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:17,873 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:17,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:35:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:17,941 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:35:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:17,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:35:17,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:35:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-13 20:35:18,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:35:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:35:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 120 transitions. [2024-11-13 20:35:27,195 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2024-11-13 20:35:27,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:35:27,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:35:27,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:35:27,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:35:27,198 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:35:27,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:35:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:27,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:35:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:35:27,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:35:27,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:35:28,354 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 20:35:28,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 20:35:49,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:00,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 124 transitions. [2024-11-13 20:36:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2024-11-13 20:36:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 20:36:00,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:00,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:00,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:36:00,639 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:36:00,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:36:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:00,886 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:36:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:00,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:36:00,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:02,264 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 20:36:02,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:36:09,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:22,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:32,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:33,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 130 transitions. [2024-11-13 20:36:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 130 transitions. [2024-11-13 20:36:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:36:33,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:33,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:33,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:36:33,517 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:36:33,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:36:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:36:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:33,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 20:36:33,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-13 20:36:37,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 20:36:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 55 states and 82 transitions. [2024-11-13 20:36:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2024-11-13 20:36:48,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:36:48,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:48,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:36:48,792 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:36:48,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 20:36:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:49,007 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:36:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:49,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 20:36:49,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:36:51,247 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-13 20:36:51,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 20:37:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 52 states and 73 transitions. [2024-11-13 20:37:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2024-11-13 20:37:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 20:37:10,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:10,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:10,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:10,257 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:10,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 20:37:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:10,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:10,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:37:10,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:10,434 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 20:37:10,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 20:37:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 52 states and 72 transitions. [2024-11-13 20:37:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2024-11-13 20:37:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 20:37:11,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:11,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:11,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:11,988 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:11,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 20:37:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:12,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:12,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:37:12,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-13 20:37:12,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-13 20:37:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 45 states and 63 transitions. [2024-11-13 20:37:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-13 20:37:13,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 20:37:13,336 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-11-13 20:37:13,346 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 20:37:21,314 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 60) the Hoare annotation is: (or (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) (let ((.cse1 (bvule |ULTIMATE.start_main_~b~0#1| (_ bv2 32))) (.cse3 (= |ULTIMATE.start_main_~v~0#1| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|)) (.cse0 (= |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse5 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32)))) (and (not (let ((.cse2 (bvneg |ULTIMATE.start_main_~a~0#1|))) (and .cse0 .cse1 (= |ULTIMATE.start_main_~y~0#1| (bvadd |ULTIMATE.start_main_~b~0#1| .cse2)) .cse3 .cse4 (bvult |ULTIMATE.start_main_~a~0#1| (bvadd |ULTIMATE.start_main_~y~0#1| (bvmul (_ bv4294967295 32) .cse2)))))) (not (and .cse0 .cse1 .cse3 .cse5 .cse4 .cse6)) (not (and (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) .cse0 .cse5 (bvugt |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~u~0#1|) .cse6))))) [2024-11-13 20:37:21,315 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-13 20:37:21,315 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) [2024-11-13 20:37:21,315 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2024-11-13 20:37:21,315 INFO L77 FloydHoareUtils]: At program point L53-1(lines 53 59) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~a~0#1|) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) (= |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~v~0#1| (_ bv0 32)) (not (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32))) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) (bvuge |ULTIMATE.start_main_~a~0#1| (_ bv1 32)))) [2024-11-13 20:37:21,315 INFO L77 FloydHoareUtils]: At program point L53-2(lines 40 60) the Hoare annotation is: true [2024-11-13 20:37:21,315 INFO L77 FloydHoareUtils]: At program point L45-2(lines 45 51) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point L41-1(lines 40 60) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point L62(line 62) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-13 20:37:21,316 INFO L77 FloydHoareUtils]: At program point L54(line 54) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~a~0#1|) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) (= |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~v~0#1| (_ bv0 32)) (not (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32))) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) (bvuge |ULTIMATE.start_main_~a~0#1| (_ bv1 32)))) [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L54-1(lines 53 59) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L46-1(lines 45 51) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L63(line 63) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-13 20:37:21,317 INFO L77 FloydHoareUtils]: At program point L26-1(line 26) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= (_ bv0 32) |assume_abort_if_not_#in~cond|)) [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (not (and (= (_ bv1 32) __VERIFIER_assert_~cond) (not (= __VERIFIER_assert_~cond |__VERIFIER_assert_#in~cond|)))) [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: true [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-13 20:37:21,318 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-13 20:37:21,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:37:21 ImpRootNode [2024-11-13 20:37:21,335 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:37:21,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:37:21,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:37:21,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:37:21,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:33:02" (3/4) ... [2024-11-13 20:37:21,339 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 20:37:21,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 20:37:21,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 20:37:21,346 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 20:37:21,346 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-13 20:37:21,346 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 20:37:21,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:37:21,347 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 20:37:21,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 20:37:21,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 20:37:21,435 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:37:21,435 INFO L158 Benchmark]: Toolchain (without parser) took 259728.58ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 75.8MB in the end (delta: 18.8MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-13 20:37:21,436 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:21,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.85ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:21,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.97ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:21,437 INFO L158 Benchmark]: Boogie Preprocessor took 33.34ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 913.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:21,437 INFO L158 Benchmark]: RCFGBuilder took 484.75ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 66.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:37:21,438 INFO L158 Benchmark]: CodeCheck took 258747.28ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 80.6MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:21,438 INFO L158 Benchmark]: Witness Printer took 99.28ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 75.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:21,441 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 250.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 mSolverCounterUnknown, 1625 SdHoareTripleChecker+Valid, 1122.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 698 mSDsluCounter, 1195 SdHoareTripleChecker+Invalid, 1093.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 564 mSDsCounter, 1339 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3942 IncrementalHoareTripleChecker+Invalid, 5382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1339 mSolverCounterUnsat, 631 mSDtfsCounter, 3942 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6297 GetRequests, 6080 SyntacticMatches, 93 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6883 ImplicationChecksByTransitivity, 101.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 19.5s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 744 ConstructedInterpolants, 0 QuantifiedInterpolants, 3356 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1442 ConjunctsInSsa, 211 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 859/954 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: !(((((((x == a) && (a <= 2)) && (u == b)) && (v == 0)) && !(b >= 1)) && (y == b)) && (a >= 1)) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (0 != cond) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.85ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 82.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.97ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.34ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 913.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.75ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 66.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 258747.28ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 80.6MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 99.28ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 75.8MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 20:37:21,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23dc8467-79c8-4fa2-8ab0-8a1834ee91e9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE