./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/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 64bit --witnessprinter.graph.data.programhash 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:37,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:37,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 23:15:37,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:15:37,256 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:15:37,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:37,300 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:37,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:37,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:37,301 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:37,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:37,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:37,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:37,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:37,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:37,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:37,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:37,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:37,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:37,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:37,303 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:15:37,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:15:37,306 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2024-11-13 23:15:37,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:37,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:37,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:37,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:37,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:37,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c Unable to find full path for "g++" [2024-11-13 23:15:39,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:40,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:40,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-11-13 23:15:40,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data/cd3aac362/695331c745054d27b16f53f594342af1/FLAGfa3c1c9bf [2024-11-13 23:15:40,230 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data/cd3aac362/695331c745054d27b16f53f594342af1 [2024-11-13 23:15:40,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:40,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:40,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:40,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:40,242 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:40,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6903126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40, skipping insertion in model container [2024-11-13 23:15:40,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:40,454 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-13 23:15:40,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:40,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:40,566 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-13 23:15:40,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:40,627 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:40,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40 WrapperNode [2024-11-13 23:15:40,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:40,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:40,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:40,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:40,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,689 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2024-11-13 23:15:40,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:40,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:40,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:40,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:40,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:40,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:40,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:40,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:40,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:40" (1/1) ... [2024-11-13 23:15:40,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:40,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:40,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:40,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:15:40,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:40,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:40,930 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:40,932 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:41,583 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:41,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:41,900 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:41,901 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:15:41,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:41 BoogieIcfgContainer [2024-11-13 23:15:41,901 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:41,902 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:41,902 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:41,917 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:41,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:41" (1/1) ... [2024-11-13 23:15:41,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:41,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:15:41,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:15:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:15:41,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:41,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:15:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:42,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:42,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:15:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:15:42,566 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:15:42,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:15:42 ImpRootNode [2024-11-13 23:15:42,601 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:15:42,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:15:42,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:15:42,602 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:15:42,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:41" (3/4) ... [2024-11-13 23:15:42,607 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:15:42,608 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:15:42,609 INFO L158 Benchmark]: Toolchain (without parser) took 2374.51ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 79.0MB in the end (delta: 14.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-13 23:15:42,610 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:42,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.25ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:42,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.08ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 75.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:42,611 INFO L158 Benchmark]: Boogie Preprocessor took 41.42ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:42,611 INFO L158 Benchmark]: RCFGBuilder took 1169.29ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 56.9MB in the end (delta: 16.3MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:42,612 INFO L158 Benchmark]: CodeCheck took 699.35ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 79.1MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:42,618 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:42,620 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 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 68, overapproximation of bitwiseAnd at line 48. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 4); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (4 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_9 = 2; [L37] const SORT_1 var_15 = 1; [L38] const SORT_4 var_19 = 5; [L39] const SORT_4 var_22 = 7; [L40] const SORT_4 var_26 = 11; [L41] const SORT_4 var_29 = 3; [L42] const SORT_8 var_30 = 1; [L43] const SORT_8 var_37 = 5; [L45] SORT_1 input_2; [L46] SORT_1 input_3; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L48] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L49] SORT_4 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L50] SORT_4 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L51] SORT_4 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_4 init_7_arg_1 = var_5; [L54] state_6 = init_7_arg_1 [L55] SORT_4 init_21_arg_1 = var_19; [L56] state_20 = init_21_arg_1 [L57] SORT_4 init_24_arg_1 = var_22; [L58] state_23 = init_24_arg_1 [L59] SORT_4 init_28_arg_1 = var_26; [L60] state_27 = init_28_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=31, mask_SORT_8=15, state_20=5, state_23=7, state_27=11, state_6=1, var_15=1, var_19=5, var_22=7, var_29=3, var_30=1, var_37=5, var_9=2] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L67] SORT_8 var_10_arg_0 = var_9; [L68] EXPR var_10_arg_0 & mask_SORT_8 [L68] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L69] SORT_4 var_10 = var_10_arg_0; [L70] SORT_4 var_11_arg_0 = state_6; [L71] SORT_4 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_1 var_12_arg_0 = var_11; [L74] SORT_1 var_12 = ~var_12_arg_0; [L75] SORT_1 var_16_arg_0 = var_12; [L76] SORT_1 var_16 = ~var_16_arg_0; [L77] SORT_1 var_17_arg_0 = var_15; [L78] SORT_1 var_17_arg_1 = var_16; [L79] EXPR var_17_arg_0 & var_17_arg_1 [L79] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L80] EXPR var_17 & mask_SORT_1 [L80] var_17 = var_17 & mask_SORT_1 [L81] SORT_1 bad_18_arg_0 = var_17; [L82] CALL __VERIFIER_assert(!(bad_18_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.25ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.4MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.08ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 75.4MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.42ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 73.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1169.29ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 56.9MB in the end (delta: 16.3MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * CodeCheck took 699.35ms. Allocated memory is still 117.4MB. Free memory was 56.9MB in the beginning and 79.1MB in the end (delta: -22.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:15:42,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/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 64bit --witnessprinter.graph.data.programhash 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:45,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:45,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 23:15:45,998 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:45,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:45,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:46,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:46,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:46,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:46,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:46,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:46,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:46,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:46,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:46,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:15:46,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:15:46,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:46,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:15:46,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:46,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:46,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:46,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:46,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:46,005 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:46,005 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:15:46,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:46,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:46,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:46,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:46,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:46,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:15:46,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:46,006 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:15:46,006 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2024-11-13 23:15:46,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:46,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:46,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:46,500 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:46,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:46,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c Unable to find full path for "g++" [2024-11-13 23:15:48,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:49,330 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:49,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-11-13 23:15:49,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data/7adceaeb8/b0d6999c9edd44469691950698dfa30f/FLAGbc18cbfd3 [2024-11-13 23:15:49,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/data/7adceaeb8/b0d6999c9edd44469691950698dfa30f [2024-11-13 23:15:49,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:49,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:49,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:49,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:49,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:49,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f28723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49, skipping insertion in model container [2024-11-13 23:15:49,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:49,672 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-13 23:15:49,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:49,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:49,824 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_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-11-13 23:15:49,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:49,916 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:49,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49 WrapperNode [2024-11-13 23:15:49,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:49,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:49,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:49,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:49,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:49,985 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2024-11-13 23:15:49,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:49,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:49,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:49,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:50,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,034 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:50,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:50,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:50,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:50,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:49" (1/1) ... [2024-11-13 23:15:50,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:50,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:50,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:50,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:15:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:50,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:50,325 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:50,328 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:50,700 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:50,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:50,785 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:50,785 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:15:50,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:50 BoogieIcfgContainer [2024-11-13 23:15:50,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:50,787 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:50,787 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:50,803 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:50,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:50" (1/1) ... [2024-11-13 23:15:50,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 23:15:50,890 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 23:15:50,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 23:15:50,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:50,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:50,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:50,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:50,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:15:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:51,090 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:51,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 23:15:51,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:51,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 23:15:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 23:15:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:15:51,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:51,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:51,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:51,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:51,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:15:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:51,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:52,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 23:15:52,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:52,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:15:53,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-11-13 23:15:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-11-13 23:15:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:15:53,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:53,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:53,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:53,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:53,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:15:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:53,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:54,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:15:54,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:54,983 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:15:54,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:57,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2024-11-13 23:15:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2024-11-13 23:15:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 23:15:57,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:57,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:57,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:57,184 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:57,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:15:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:57,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:57,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:15:57,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:15:58,586 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 23:15:58,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:16:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2024-11-13 23:16:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2024-11-13 23:16:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:16:02,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:02,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:02,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:02,024 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:02,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:16:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:02,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-13 23:16:02,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 23:16:03,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2024-11-13 23:16:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2024-11-13 23:16:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:16:03,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:03,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:03,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:03,961 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:03,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:16:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:04,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 23:16:04,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:07,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:18,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 46 states and 109 transitions. [2024-11-13 23:16:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 109 transitions. [2024-11-13 23:16:18,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:16:18,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:18,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:18,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:18,308 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:18,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:16:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:18,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:18,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:16:18,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:21,501 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:21,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 23:16:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:30,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 56 states and 137 transitions. [2024-11-13 23:16:30,965 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 137 transitions. [2024-11-13 23:16:30,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:16:30,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:30,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:30,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:30,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:30,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:16:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:31,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:16:31,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:32,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 23:16:35,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 140 transitions. [2024-11-13 23:16:35,112 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 140 transitions. [2024-11-13 23:16:35,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:16:35,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:35,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:35,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:35,118 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:35,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:16:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:35,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:16:35,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:36,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:37,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 59 states and 141 transitions. [2024-11-13 23:16:37,340 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 141 transitions. [2024-11-13 23:16:37,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:16:37,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:37,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:37,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:37,348 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:37,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:16:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:37,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:37,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:16:37,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:38,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 23:16:40,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 60 states and 142 transitions. [2024-11-13 23:16:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 142 transitions. [2024-11-13 23:16:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:16:40,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:40,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:40,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:40,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:40,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:16:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:40,841 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:40,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 23:16:40,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-13 23:16:42,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:16:42,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:42,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 61 states and 143 transitions. [2024-11-13 23:16:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 143 transitions. [2024-11-13 23:16:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:16:42,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:42,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:42,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:42,741 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:42,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:16:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:43,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:43,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:16:43,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:46,369 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:46,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 71 states and 194 transitions. [2024-11-13 23:17:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 194 transitions. [2024-11-13 23:17:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:17:01,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:01,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:01,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:01,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:01,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:17:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:01,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:01,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:17:01,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:03,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:17:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 74 states and 197 transitions. [2024-11-13 23:17:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 197 transitions. [2024-11-13 23:17:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:17:06,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:06,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:06,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:06,487 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:06,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:17:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,027 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-13 23:17:07,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:09,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 23:17:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 75 states and 197 transitions. [2024-11-13 23:17:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 197 transitions. [2024-11-13 23:17:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:17:10,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:10,517 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:10,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 23:17:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:11,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:17:11,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:15,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 23:17:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 84 states and 239 transitions. [2024-11-13 23:17:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 239 transitions. [2024-11-13 23:17:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:17:32,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:32,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:32,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:32,341 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:32,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 23:17:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:32,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-13 23:17:32,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:33,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 23:17:38,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 87 states and 246 transitions. [2024-11-13 23:17:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 246 transitions. [2024-11-13 23:17:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:17:38,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:38,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:38,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:38,079 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:38,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 23:17:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:38,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:38,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:17:38,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:40,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 23:17:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 88 states and 248 transitions. [2024-11-13 23:17:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 248 transitions. [2024-11-13 23:17:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 23:17:41,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:41,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:41,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:41,483 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:41,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 23:17:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:42,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:42,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-13 23:17:42,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:43,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 23:17:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 89 states and 251 transitions. [2024-11-13 23:17:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 251 transitions. [2024-11-13 23:17:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:17:44,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:44,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:44,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:44,817 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:44,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 23:17:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:45,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:45,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 23:17:45,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 23:17:46,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 23:17:55,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:55,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 95 states and 274 transitions. [2024-11-13 23:17:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 274 transitions. [2024-11-13 23:17:55,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:17:55,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:55,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:55,267 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:55,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 23:17:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,024 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:56,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 23:17:56,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 23:17:57,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 23:17:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 96 states and 275 transitions. [2024-11-13 23:17:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 275 transitions. [2024-11-13 23:17:58,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:17:58,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:58,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:58,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:58,915 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:58,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 23:17:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:59,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:59,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 23:17:59,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:04,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 23:18:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 106 states and 339 transitions. [2024-11-13 23:18:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 339 transitions. [2024-11-13 23:18:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:18:24,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:24,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:24,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:24,484 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:24,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 23:18:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:25,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:25,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 23:18:25,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:27,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 23:18:34,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 110 states and 346 transitions. [2024-11-13 23:18:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 346 transitions. [2024-11-13 23:18:34,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:18:34,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:34,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:34,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:34,484 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:34,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 23:18:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,291 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:35,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 23:18:35,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:37,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:47,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:47,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 116 states and 366 transitions. [2024-11-13 23:18:47,359 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 366 transitions. [2024-11-13 23:18:47,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:18:47,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:47,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:47,362 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:47,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 23:18:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:48,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:48,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 23:18:48,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:50,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 120 states and 379 transitions. [2024-11-13 23:18:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 379 transitions. [2024-11-13 23:18:56,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 23:18:56,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:56,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:56,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:56,197 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:56,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 23:18:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:56,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:57,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-13 23:18:57,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:59,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:01,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:01,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 121 states and 379 transitions. [2024-11-13 23:19:01,027 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 379 transitions. [2024-11-13 23:19:01,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:19:01,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:01,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:01,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:01,033 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:01,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 23:19:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:01,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:02,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:19:02,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:05,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-13 23:19:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 132 states and 421 transitions. [2024-11-13 23:19:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 421 transitions. [2024-11-13 23:19:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:19:26,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:26,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:26,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:26,376 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:26,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 23:19:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:27,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:27,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:19:27,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:29,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 23:19:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 136 states and 428 transitions. [2024-11-13 23:19:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 428 transitions. [2024-11-13 23:19:35,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:19:35,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:35,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:35,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:35,987 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:35,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 23:19:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:36,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:37,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:19:37,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:38,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 23:19:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 138 states and 431 transitions. [2024-11-13 23:19:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 431 transitions. [2024-11-13 23:19:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:19:42,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:42,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:42,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:42,421 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:42,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 23:19:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:43,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:19:43,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:45,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-13 23:19:57,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 144 states and 451 transitions. [2024-11-13 23:19:57,717 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 451 transitions. [2024-11-13 23:19:57,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:19:57,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:57,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:57,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:57,719 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:57,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 23:19:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:58,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:58,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:19:58,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:00,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 23:20:02,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 145 states and 451 transitions. [2024-11-13 23:20:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 451 transitions. [2024-11-13 23:20:02,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 23:20:02,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:02,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:02,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:02,412 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:02,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 23:20:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:03,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:03,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-13 23:20:03,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:05,416 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:05,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 23:20:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 146 states and 453 transitions. [2024-11-13 23:20:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 453 transitions. [2024-11-13 23:20:07,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 23:20:07,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:07,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:07,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:07,472 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:07,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 23:20:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:08,581 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:08,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-13 23:20:08,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 23:20:10,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 23:20:17,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 149 states and 461 transitions. [2024-11-13 23:20:17,708 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 461 transitions. [2024-11-13 23:20:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:20:17,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:17,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:17,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:17,714 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:17,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 23:20:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:19,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:19,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:20:19,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:25,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 23:21:02,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 166 states and 532 transitions. [2024-11-13 23:21:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 532 transitions. [2024-11-13 23:21:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:02,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:02,809 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:02,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 23:21:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:04,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:04,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:21:04,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:07,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 23:21:16,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 169 states and 535 transitions. [2024-11-13 23:21:16,016 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 535 transitions. [2024-11-13 23:21:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:16,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:16,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:16,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:16,019 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:16,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 23:21:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:17,247 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:17,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:21:17,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:20,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-13 23:21:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 172 states and 540 transitions. [2024-11-13 23:21:27,307 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 540 transitions. [2024-11-13 23:21:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:27,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:27,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:27,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:27,310 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:27,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 23:21:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:28,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:28,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:21:28,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:31,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 23:21:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 176 states and 554 transitions. [2024-11-13 23:21:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 554 transitions. [2024-11-13 23:21:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:40,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:40,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:40,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:40,087 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:40,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 23:21:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:41,487 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:41,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:21:41,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:45,050 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:45,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-13 23:21:52,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 179 states and 567 transitions. [2024-11-13 23:21:52,526 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 567 transitions. [2024-11-13 23:21:52,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:52,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:52,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:52,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:52,529 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:52,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 23:21:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:53,940 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:21:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:54,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:21:54,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:21:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:21:57,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 23:21:59,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:59,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 180 states and 567 transitions. [2024-11-13 23:21:59,797 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 567 transitions. [2024-11-13 23:21:59,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:21:59,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:59,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:59,802 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:59,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 23:22:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:01,342 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:01,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 23:22:01,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:05,082 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:22:05,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 23:22:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:06,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 181 states and 567 transitions. [2024-11-13 23:22:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 567 transitions. [2024-11-13 23:22:06,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:22:06,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:06,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:06,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:06,916 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:06,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 23:22:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:08,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:08,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:22:08,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:22:13,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 23:22:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 193 states and 611 transitions. [2024-11-13 23:22:45,011 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 611 transitions. [2024-11-13 23:22:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:22:45,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:45,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:45,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:45,014 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:45,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 23:22:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:46,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:46,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:22:46,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:22:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:22:48,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 23:23:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 199 states and 627 transitions. [2024-11-13 23:23:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 627 transitions. [2024-11-13 23:23:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:23:04,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:04,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:04,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:04,987 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:04,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 23:23:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:06,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:07,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:23:07,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:23:09,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 23:23:22,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 205 states and 636 transitions. [2024-11-13 23:23:22,865 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 636 transitions. [2024-11-13 23:23:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:23:22,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:22,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:22,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:22,871 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:22,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 23:23:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:24,618 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:24,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:23:24,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:23:26,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 23:23:32,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 207 states and 638 transitions. [2024-11-13 23:23:32,402 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 638 transitions. [2024-11-13 23:23:32,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 23:23:32,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:32,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:32,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:32,405 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:32,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 23:23:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:34,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:34,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-13 23:23:34,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:36,870 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:23:36,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 23:23:44,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:44,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 210 states and 641 transitions. [2024-11-13 23:23:44,095 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 641 transitions. [2024-11-13 23:23:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:23:44,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:44,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:44,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:44,097 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:44,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 23:23:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:46,172 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:46,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:23:46,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 23:23:48,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 23:23:55,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:23:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 213 states and 645 transitions. [2024-11-13 23:23:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 645 transitions. [2024-11-13 23:23:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:23:55,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:23:55,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:23:55,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:23:55,431 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:23:55,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 23:23:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:57,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:23:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:23:57,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:23:57,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:00,078 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 23:24:00,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:02,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:02,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 214 states and 650 transitions. [2024-11-13 23:24:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 650 transitions. [2024-11-13 23:24:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:24:02,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:02,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:02,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:02,925 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:02,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 23:24:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:04,939 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:05,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:24:05,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:07,515 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 23:24:07,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:19,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 219 states and 666 transitions. [2024-11-13 23:24:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 666 transitions. [2024-11-13 23:24:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:24:19,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:19,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:19,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:19,289 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:19,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 23:24:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:21,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:21,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:24:21,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 23:24:24,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 23:24:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 220 states and 667 transitions. [2024-11-13 23:24:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 667 transitions. [2024-11-13 23:24:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:24:27,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:27,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:27,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:27,917 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:27,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 23:24:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:30,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:30,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:24:30,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 23:24:32,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-13 23:24:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 222 states and 679 transitions. [2024-11-13 23:24:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 679 transitions. [2024-11-13 23:24:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 23:24:38,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:38,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:38,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:38,289 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:38,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 23:24:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:40,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:40,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 23:24:40,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:43,356 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 23:24:43,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-13 23:24:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:24:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 223 states and 680 transitions. [2024-11-13 23:24:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 680 transitions. [2024-11-13 23:24:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:24:46,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:24:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:24:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:24:46,885 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:24:46,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 23:24:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:49,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:24:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:24:49,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:24:49,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:24:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:24:58,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-13 23:25:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:25:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 239 states and 776 transitions. [2024-11-13 23:25:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 776 transitions. [2024-11-13 23:25:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:25:52,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:25:52,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:25:52,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:25:52,888 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:25:52,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 23:25:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:55,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:25:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:25:55,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:25:55,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:26:00,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 23:26:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 245 states and 792 transitions. [2024-11-13 23:26:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 792 transitions. [2024-11-13 23:26:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:26:20,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:20,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:20,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:20,459 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:20,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 23:26:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:22,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:23,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:26:23,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:26:27,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-13 23:26:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:26:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 252 states and 806 transitions. [2024-11-13 23:26:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 806 transitions. [2024-11-13 23:26:49,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:26:49,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:26:49,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:26:49,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:26:49,321 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:26:49,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 23:26:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:51,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:26:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:26:52,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:26:52,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:26:56,833 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:26:56,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-13 23:27:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:09,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 256 states and 822 transitions. [2024-11-13 23:27:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 822 transitions. [2024-11-13 23:27:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:27:09,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:09,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:09,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:09,280 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:09,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 23:27:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:11,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:12,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:27:12,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:16,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 23:27:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 262 states and 839 transitions. [2024-11-13 23:27:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 839 transitions. [2024-11-13 23:27:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 23:27:31,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:31,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:31,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:31,401 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:31,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 23:27:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:34,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 23:27:34,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:39,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-13 23:27:46,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:27:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 265 states and 842 transitions. [2024-11-13 23:27:46,882 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 842 transitions. [2024-11-13 23:27:46,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:27:46,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:27:46,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:27:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:27:46,886 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:27:46,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 23:27:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:27:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:27:49,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 23:27:49,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:27:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:27:56,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 23:28:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:28:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 275 states and 912 transitions. [2024-11-13 23:28:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 912 transitions. [2024-11-13 23:28:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:28:37,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:28:37,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:28:37,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:28:37,344 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:28:37,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 23:28:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:39,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:28:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:28:40,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 23:28:40,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:28:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:28:42,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-13 23:29:09,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 284 states and 946 transitions. [2024-11-13 23:29:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 946 transitions. [2024-11-13 23:29:09,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:29:09,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:09,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:09,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:09,870 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:09,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 23:29:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:12,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-13 23:29:12,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:14,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 23:29:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:20,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 286 states and 948 transitions. [2024-11-13 23:29:20,069 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 948 transitions. [2024-11-13 23:29:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:29:20,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:20,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:20,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:20,071 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:20,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 23:29:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:22,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-13 23:29:22,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:28,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-13 23:29:42,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:29:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 289 states and 952 transitions. [2024-11-13 23:29:42,522 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 952 transitions. [2024-11-13 23:29:42,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:29:42,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:29:42,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:29:42,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:29:42,525 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:29:42,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 23:29:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:44,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:29:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:29:45,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-13 23:29:45,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:29:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:29:47,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bf1ebb2-9e20-482a-8c75-91cc2a7993fc/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0