./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:34:12,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:34:13,084 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:34:13,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:34:13,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:34:13,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:34:13,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:34:13,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:34:13,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:34:13,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:34:13,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:34:13,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:34:13,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:34:13,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:34:13,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:34:13,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:34:13,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:34:13,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:34:13,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:34:13,139 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:34:13,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:34:13,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:34:13,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:34:13,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:34:13,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:34:13,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:34:13,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:34:13,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:13,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:34:13,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:34:13,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:34:13,149 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:34:13,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:34:13,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 [2024-11-09 00:34:13,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:34:13,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:34:13,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:34:13,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:34:13,466 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:34:13,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/sum02-1.c Unable to find full path for "g++" [2024-11-09 00:34:15,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:34:15,730 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:34:15,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/sv-benchmarks/c/bitvector/sum02-1.c [2024-11-09 00:34:15,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data/ea9e53939/bcc5ae1177fd4182848650046cc650d7/FLAGae75b59e4 [2024-11-09 00:34:16,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data/ea9e53939/bcc5ae1177fd4182848650046cc650d7 [2024-11-09 00:34:16,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:34:16,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:34:16,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:16,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:34:16,089 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:34:16,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4d69fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16, skipping insertion in model container [2024-11-09 00:34:16,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:34:16,309 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_87839501-d074-4417-9f5a-1bff99574754/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-09 00:34:16,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:16,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:34:16,343 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_87839501-d074-4417-9f5a-1bff99574754/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-09 00:34:16,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:16,366 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:34:16,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16 WrapperNode [2024-11-09 00:34:16,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:16,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:16,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:34:16,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:34:16,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,399 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-09 00:34:16,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:16,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:34:16,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:34:16,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:34:16,410 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:34:16,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:34:16,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:34:16,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:34:16,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:16,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:34:16,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:34:16,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:34:16,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:34:16,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:34:16,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:34:16,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:34:16,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:34:16,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:34:16,699 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:34:16,699 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:34:16,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:34:16,727 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:34:16,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:16 BoogieIcfgContainer [2024-11-09 00:34:16,729 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:34:16,732 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:34:16,732 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:34:16,741 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:34:16,741 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:16" (1/1) ... [2024-11-09 00:34:16,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:34:16,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:34:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:34:16,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:34:16,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:16,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:17,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-09 00:34:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-09 00:34:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:34:17,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:17,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-09 00:34:17,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-09 00:34:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:34:17,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:18,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-09 00:34:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-09 00:34:18,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:34:18,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:18,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:34:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:34:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:34:28,358 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:34:28,362 INFO L158 Benchmark]: Toolchain (without parser) took 12281.23ms. Allocated memory is still 176.2MB. Free memory was 133.6MB in the beginning and 98.8MB in the end (delta: 34.9MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-11-09 00:34:28,362 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 176.2MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:28,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.35ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 121.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:34:28,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.05ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 119.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:34:28,364 INFO L158 Benchmark]: Boogie Preprocessor took 22.55ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 118.9MB in the end (delta: 942.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:34:28,365 INFO L158 Benchmark]: RCFGBuilder took 306.00ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 108.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:34:28,365 INFO L158 Benchmark]: CodeCheck took 11628.72ms. Allocated memory is still 176.2MB. Free memory was 108.1MB in the beginning and 98.8MB in the end (delta: 9.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-09 00:34:28,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 176.2MB. Free memory is still 151.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.35ms. Allocated memory is still 176.2MB. Free memory was 133.2MB in the beginning and 121.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.05ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 119.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.55ms. Allocated memory is still 176.2MB. Free memory was 119.8MB in the beginning and 118.9MB in the end (delta: 942.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.00ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 108.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 11628.72ms. Allocated memory is still 176.2MB. Free memory was 108.1MB in the beginning and 98.8MB in the end (delta: 9.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:34:28,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:34:30,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:34:30,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:34:30,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:34:30,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:34:30,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:34:30,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:34:30,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:34:30,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:34:30,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:34:30,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:34:30,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:34:30,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:34:30,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:34:30,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:34:30,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:34:30,921 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:34:30,922 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:34:30,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:34:30,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:34:30,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:34:30,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:34:30,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:34:30,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:34:30,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:34:30,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:34:30,926 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:30,926 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:34:30,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:34:30,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:30,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:34:30,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:34:30,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:34:30,928 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:34:30,929 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:30,929 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:34:30,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59d79cb7d07f30328554c1c1dfb3c3c4d9d249fe2beb0f1abdeaf89c4a9e9025 [2024-11-09 00:34:31,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:34:31,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:34:31,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:34:31,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:34:31,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:34:31,353 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/sum02-1.c Unable to find full path for "g++" [2024-11-09 00:34:33,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:34:33,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:34:33,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/sv-benchmarks/c/bitvector/sum02-1.c [2024-11-09 00:34:33,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data/690eac0a2/ff9c2457aee849d59445cb0a9caf824a/FLAGbd164038c [2024-11-09 00:34:33,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/data/690eac0a2/ff9c2457aee849d59445cb0a9caf824a [2024-11-09 00:34:33,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:34:33,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:34:33,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:33,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:34:33,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:34:33,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:33" (1/1) ... [2024-11-09 00:34:33,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d78903d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:33, skipping insertion in model container [2024-11-09 00:34:33,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:34:33" (1/1) ... [2024-11-09 00:34:33,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:34:34,118 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_87839501-d074-4417-9f5a-1bff99574754/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-09 00:34:34,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:34,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:34:34,170 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_87839501-d074-4417-9f5a-1bff99574754/sv-benchmarks/c/bitvector/sum02-1.c[624,637] [2024-11-09 00:34:34,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:34:34,197 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:34:34,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34 WrapperNode [2024-11-09 00:34:34,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:34:34,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:34,199 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:34:34,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:34:34,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,239 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-11-09 00:34:34,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:34:34,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:34:34,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:34:34,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:34:34,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:34:34,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:34:34,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:34:34,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:34:34,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:34:34,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:34:34,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:34:34,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:34:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:34:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:34:34,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:34:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:34:34,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:34:34,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:34:34,667 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-09 00:34:34,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:34:34,717 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:34:34,719 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:34:34,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:34 BoogieIcfgContainer [2024-11-09 00:34:34,720 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:34:34,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:34:34,721 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:34:34,733 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:34:34,733 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:34:34" (1/1) ... [2024-11-09 00:34:34,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:34:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-09 00:34:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-09 00:34:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 00:34:34,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:34,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:34,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:34,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:34,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:34:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:34,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:34,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:34:34,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:35,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:35,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:34:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:35,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-11-09 00:34:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-11-09 00:34:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:34:35,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:35,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:35,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:35,232 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:35,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:34:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:35,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:35,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:34:35,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:35,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:34:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-09 00:34:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-09 00:34:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:34:35,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:35,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:35,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:35,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:35,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:34:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:35,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:35,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:34:35,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:35,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:34:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-09 00:34:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-09 00:34:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:34:35,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:35,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:35,932 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:35,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:34:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:36,020 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:36,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:34:36,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:36,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:34:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:37,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-09 00:34:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-09 00:34:37,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:34:37,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:37,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:37,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:37,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:37,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:34:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:37,228 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:37,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:34:37,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:37,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:34:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2024-11-09 00:34:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2024-11-09 00:34:38,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:34:38,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:38,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:38,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:38,436 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:38,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:34:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:38,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:38,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:34:38,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:38,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:34:39,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-11-09 00:34:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-11-09 00:34:39,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:34:39,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:39,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:39,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:39,918 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:39,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:34:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:40,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:40,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 00:34:40,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:40,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:34:41,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-09 00:34:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-09 00:34:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:34:41,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:41,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:41,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:41,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:41,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:34:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:42,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:42,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 00:34:42,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:42,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:34:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:43,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 00:34:43,936 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 00:34:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:34:43,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:43,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:43,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:43,943 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:43,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:34:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:44,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:44,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:34:44,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:44,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-09 00:34:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-09 00:34:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:34:46,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:46,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:46,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:46,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:34:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:46,142 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:46,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:34:46,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:46,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:34:48,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:48,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2024-11-09 00:34:48,373 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2024-11-09 00:34:48,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 00:34:48,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:48,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:48,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:48,376 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:48,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:34:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:48,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:48,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:48,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-09 00:34:48,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:49,461 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:49,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:34:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-09 00:34:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-09 00:34:51,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:34:51,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:51,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:51,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:51,653 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:51,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:34:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:51,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:51,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 00:34:51,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:52,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:34:54,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2024-11-09 00:34:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-09 00:34:54,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 00:34:54,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:54,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:54,241 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:54,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:34:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:54,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:54,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 00:34:54,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:55,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:34:57,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:34:57,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2024-11-09 00:34:57,551 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2024-11-09 00:34:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:34:57,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:34:57,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:34:57,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:34:57,555 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:34:57,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:34:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:57,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:34:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:34:57,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-09 00:34:57,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:34:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:34:58,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:35:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2024-11-09 00:35:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2024-11-09 00:35:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 00:35:00,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:00,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:00,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:00,943 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:00,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:35:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:01,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:01,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-09 00:35:01,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:02,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:35:05,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2024-11-09 00:35:05,435 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2024-11-09 00:35:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:35:05,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:05,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:05,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:05,438 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:05,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:35:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:05,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:05,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 00:35:05,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:06,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:35:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2024-11-09 00:35:09,743 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2024-11-09 00:35:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 00:35:09,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:09,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:09,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:09,747 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:09,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:35:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:09,887 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:09,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:35:09,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:11,217 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:11,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2024-11-09 00:35:15,116 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2024-11-09 00:35:15,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:35:15,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:15,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:15,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:15,122 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:15,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:35:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:15,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:15,284 WARN L253 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-09 00:35:15,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:16,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:20,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:20,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2024-11-09 00:35:20,304 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2024-11-09 00:35:20,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 00:35:20,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:20,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:20,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:20,307 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:20,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:35:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:20,437 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:20,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 00:35:20,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:23,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-09 00:35:29,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2024-11-09 00:35:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2024-11-09 00:35:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-09 00:35:29,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:29,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:29,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:29,604 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:29,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:35:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:29,726 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:29,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-09 00:35:29,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:30,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:35,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 105 transitions. [2024-11-09 00:35:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 105 transitions. [2024-11-09 00:35:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 00:35:35,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:35,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:35,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:35,323 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:35,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:35:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:35,441 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:35,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-09 00:35:35,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:37,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 00:35:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 69 states and 110 transitions. [2024-11-09 00:35:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 110 transitions. [2024-11-09 00:35:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 00:35:42,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:42,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:42,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:42,323 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:42,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:35:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:42,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:42,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-09 00:35:42,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:43,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:35:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 115 transitions. [2024-11-09 00:35:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 115 transitions. [2024-11-09 00:35:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:35:49,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:49,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:49,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:49,428 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:49,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:35:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:49,555 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:49,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-09 00:35:49,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:35:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:35:51,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-09 00:35:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:35:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 120 transitions. [2024-11-09 00:35:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 120 transitions. [2024-11-09 00:35:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 00:35:58,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:35:58,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:35:58,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:35:58,522 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:35:58,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:35:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:58,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:35:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:35:58,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-09 00:35:58,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:00,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 78 states and 125 transitions. [2024-11-09 00:36:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2024-11-09 00:36:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 00:36:06,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:06,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:06,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:06,997 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:06,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:36:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:07,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:07,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-11-09 00:36:07,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 0 proven. 529 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:09,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 81 states and 130 transitions. [2024-11-09 00:36:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2024-11-09 00:36:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 00:36:17,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:17,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:17,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:17,217 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:17,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:36:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:17,357 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:17,407 WARN L253 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-09 00:36:17,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:19,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:27,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2024-11-09 00:36:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2024-11-09 00:36:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 00:36:27,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:27,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:27,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:27,249 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:27,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:36:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:27,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-09 00:36:27,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:31,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:41,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:41,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 87 states and 140 transitions. [2024-11-09 00:36:41,814 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2024-11-09 00:36:41,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 00:36:41,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:41,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:41,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:41,819 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:41,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:36:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:41,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:42,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:42,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-09 00:36:42,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 0 proven. 676 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:44,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:36:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:36:53,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 90 states and 145 transitions. [2024-11-09 00:36:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 145 transitions. [2024-11-09 00:36:53,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-09 00:36:53,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:36:53,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:36:53,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:36:53,823 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:36:53,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:36:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:54,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:36:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:36:54,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-09 00:36:54,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:36:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 0 proven. 729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:36:57,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-09 00:37:07,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 93 states and 150 transitions. [2024-11-09 00:37:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 150 transitions. [2024-11-09 00:37:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 00:37:07,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:07,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:07,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:07,852 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:07,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:37:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:08,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:08,079 WARN L253 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-09 00:37:08,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:11,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 96 states and 155 transitions. [2024-11-09 00:37:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2024-11-09 00:37:21,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 00:37:21,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:21,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:21,409 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:37:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:21,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:21,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-09 00:37:21,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:25,686 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 0 proven. 841 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:25,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 99 states and 160 transitions. [2024-11-09 00:37:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 160 transitions. [2024-11-09 00:37:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 00:37:37,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:37,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:37,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:37,605 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:37,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:37:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:37,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:37,821 WARN L253 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-09 00:37:37,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:40,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:52,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 165 transitions. [2024-11-09 00:37:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2024-11-09 00:37:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 00:37:52,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:52,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:52,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:52,816 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:52,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:37:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:53,085 WARN L253 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 72 conjuncts are in the unsatisfiable core [2024-11-09 00:37:53,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:56,810 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 0 proven. 961 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:56,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:09,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 105 states and 170 transitions. [2024-11-09 00:38:09,196 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 170 transitions. [2024-11-09 00:38:09,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 00:38:09,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:09,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:09,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:09,199 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:09,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:38:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:09,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:09,432 WARN L253 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-11-09 00:38:09,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:38:12,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-09 00:38:23,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 108 states and 175 transitions. [2024-11-09 00:38:23,559 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 175 transitions. [2024-11-09 00:38:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 00:38:23,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:23,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:23,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:23,560 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:23,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:38:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:23,736 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:23,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-09 00:38:23,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:38:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 0 proven. 1089 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:38:36,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:38:58,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:38:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 111 states and 180 transitions. [2024-11-09 00:38:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2024-11-09 00:38:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 00:38:58,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:38:58,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:38:58,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:38:58,165 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:38:58,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:38:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:58,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:38:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:38:58,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-09 00:38:58,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 0 proven. 1156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:01,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-09 00:39:13,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 114 states and 185 transitions. [2024-11-09 00:39:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 185 transitions. [2024-11-09 00:39:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 00:39:13,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:13,961 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:13,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:39:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:14,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:14,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-09 00:39:14,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:18,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:18,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-09 00:39:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:32,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 117 states and 190 transitions. [2024-11-09 00:39:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 190 transitions. [2024-11-09 00:39:32,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 00:39:32,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:32,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:32,076 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:32,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:39:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:32,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:32,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-09 00:39:32,337 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1296 backedges. 0 proven. 1296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:35,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:39:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:39:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 120 states and 195 transitions. [2024-11-09 00:39:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 195 transitions. [2024-11-09 00:39:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 00:39:49,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:39:49,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:39:49,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:39:49,255 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:39:49,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:39:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:49,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:39:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:39:49,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-09 00:39:49,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:39:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1369 backedges. 0 proven. 1369 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:39:54,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 123 states and 200 transitions. [2024-11-09 00:40:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 200 transitions. [2024-11-09 00:40:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 00:40:10,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:10,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:10,388 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:10,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:40:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:10,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:10,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-11-09 00:40:10,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1444 backedges. 0 proven. 1444 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:14,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:40:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2024-11-09 00:40:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2024-11-09 00:40:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 00:40:29,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:29,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:29,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:29,175 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:29,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:40:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:29,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:29,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-09 00:40:29,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 0 proven. 1521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:33,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-09 00:40:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:40:50,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2024-11-09 00:40:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2024-11-09 00:40:50,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 00:40:50,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:40:50,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:40:50,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:40:50,674 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:40:50,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:40:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:50,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:40:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:40:50,958 WARN L253 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-09 00:40:50,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:40:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:40:54,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-09 00:41:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 132 states and 215 transitions. [2024-11-09 00:41:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 215 transitions. [2024-11-09 00:41:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 00:41:11,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:11,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:11,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:11,758 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:11,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:41:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:11,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:12,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-09 00:41:12,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 0 proven. 1681 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:20,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:41:44,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:41:44,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 135 states and 220 transitions. [2024-11-09 00:41:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 220 transitions. [2024-11-09 00:41:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 00:41:44,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:41:44,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:41:44,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:41:44,036 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:41:44,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:41:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:44,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:41:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:41:44,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-09 00:41:44,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:41:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1764 backedges. 0 proven. 1764 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:41:48,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:42:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 138 states and 225 transitions. [2024-11-09 00:42:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 225 transitions. [2024-11-09 00:42:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-09 00:42:07,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:07,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:07,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:07,734 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:07,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:42:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:07,951 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:08,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-09 00:42:08,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 0 proven. 1849 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:13,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 00:42:35,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:35,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 141 states and 230 transitions. [2024-11-09 00:42:35,177 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 230 transitions. [2024-11-09 00:42:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 00:42:35,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:35,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:42:35,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:42:35,182 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:42:35,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:42:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:35,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:42:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:35,482 WARN L253 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 98 conjuncts are in the unsatisfiable core [2024-11-09 00:42:35,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:42:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1936 backedges. 0 proven. 1936 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:40,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-09 00:43:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:00,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 144 states and 235 transitions. [2024-11-09 00:43:00,924 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2024-11-09 00:43:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 00:43:00,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:00,928 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:00,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:43:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:01,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:01,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-11-09 00:43:01,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2025 backedges. 0 proven. 2025 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:08,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-09 00:43:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:32,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 147 states and 240 transitions. [2024-11-09 00:43:32,811 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 240 transitions. [2024-11-09 00:43:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:43:32,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:32,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:43:32,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:43:32,813 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:43:32,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:43:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:33,043 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:43:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:33,120 WARN L253 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-09 00:43:33,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:43:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2116 backedges. 0 proven. 2116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:38,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-09 00:44:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2024-11-09 00:44:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2024-11-09 00:44:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 00:44:00,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:00,520 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:00,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:44:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:00,755 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:44:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:00,836 WARN L253 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 104 conjuncts are in the unsatisfiable core [2024-11-09 00:44:00,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 0 proven. 2209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:07,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-09 00:44:32,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 153 states and 250 transitions. [2024-11-09 00:44:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 250 transitions. [2024-11-09 00:44:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 00:44:32,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:32,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:44:32,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:44:32,092 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:44:32,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:44:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:32,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:44:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:32,448 WARN L253 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-11-09 00:44:32,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:44:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2304 backedges. 0 proven. 2304 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:38,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-09 00:45:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 156 states and 255 transitions. [2024-11-09 00:45:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 255 transitions. [2024-11-09 00:45:02,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-09 00:45:02,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:02,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:45:02,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:45:02,217 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:45:02,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:45:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:02,465 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:45:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:02,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-09 00:45:02,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:45:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2401 backedges. 0 proven. 2401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:19,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-09 00:45:56,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:56,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 159 states and 260 transitions. [2024-11-09 00:45:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 260 transitions. [2024-11-09 00:45:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 00:45:56,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:56,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:45:56,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:45:56,606 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:45:56,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:45:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:56,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:45:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:56,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-09 00:45:56,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2500 backedges. 0 proven. 2500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:02,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-09 00:46:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:46:28,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 162 states and 265 transitions. [2024-11-09 00:46:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 265 transitions. [2024-11-09 00:46:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 00:46:28,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:46:28,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:46:28,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:46:28,716 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:46:28,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:46:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:28,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:46:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:29,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-11-09 00:46:29,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:46:36,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2601 backedges. 0 proven. 2601 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:36,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:04,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 165 states and 270 transitions. [2024-11-09 00:47:04,936 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2024-11-09 00:47:04,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 00:47:04,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:04,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:04,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:04,944 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:04,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:47:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:05,325 WARN L253 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 114 conjuncts are in the unsatisfiable core [2024-11-09 00:47:05,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:11,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 0 proven. 2704 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:11,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:47:39,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:39,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 168 states and 275 transitions. [2024-11-09 00:47:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 275 transitions. [2024-11-09 00:47:39,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:47:39,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:39,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:47:39,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:47:39,571 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:47:39,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:47:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:39,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:47:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:39,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-09 00:47:39,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:47:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2809 backedges. 0 proven. 2809 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:49,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-09 00:48:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:21,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 171 states and 280 transitions. [2024-11-09 00:48:21,748 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 280 transitions. [2024-11-09 00:48:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 00:48:21,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:21,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:48:21,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:48:21,749 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:48:21,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:48:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:22,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:48:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:22,145 WARN L253 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-09 00:48:22,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2916 backedges. 0 proven. 2916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:28,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87839501-d074-4417-9f5a-1bff99574754/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0