./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/gcd_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:28:31,780 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:28:31,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:28:31,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:28:31,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:28:31,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:28:31,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:28:31,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:28:31,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:28:31,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:28:31,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:28:31,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:28:31,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:28:31,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:28:31,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:28:31,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:28:31,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:28:31,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:28:31,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:28:31,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:28:31,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:28:31,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:28:31,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:28:31,922 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:28:31,922 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:28:31,923 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:28:31,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:28:31,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:31,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:28:31,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:28:31,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:28:31,925 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:28:31,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:28:31,926 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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 [2024-11-08 22:28:32,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:28:32,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:28:32,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:28:32,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:28:32,253 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:28:32,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/gcd_3.c Unable to find full path for "g++" [2024-11-08 22:28:34,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:28:34,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:28:34,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/sv-benchmarks/c/bitvector/gcd_3.c [2024-11-08 22:28:34,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data/1b8e0f905/9ea293635cae47498745ca3118a7eaad/FLAG407056622 [2024-11-08 22:28:34,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data/1b8e0f905/9ea293635cae47498745ca3118a7eaad [2024-11-08 22:28:34,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:28:34,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:28:34,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:34,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:28:34,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:28:34,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a12705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34, skipping insertion in model container [2024-11-08 22:28:34,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:28:34,737 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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-11-08 22:28:34,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:34,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:28:34,794 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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-11-08 22:28:34,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:34,822 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:28:34,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34 WrapperNode [2024-11-08 22:28:34,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:34,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:34,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:28:34,825 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:28:34,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,867 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,902 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-08 22:28:34,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:34,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:28:34,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:28:34,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:28:34,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:28:34,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:28:34,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:28:34,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:28:34,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:34" (1/1) ... [2024-11-08 22:28:34,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:34,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:28:35,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:28:35,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:28:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:28:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:28:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:28:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:28:35,094 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:28:35,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:28:35,225 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 22:28:35,225 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:28:35,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:28:35,290 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:28:35,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:28:35 BoogieIcfgContainer [2024-11-08 22:28:35,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:28:35,291 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:28:35,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:28:35,302 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:28:35,303 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:28:35" (1/1) ... [2024-11-08 22:28:35,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:28:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:35,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 22:28:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 22:28:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:28:35,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:35,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:36,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:36,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-11-08 22:28:36,103 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-11-08 22:28:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:28:36,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:36,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 22:28:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 22:28:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:28:36,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:36,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:28:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:36,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:28:36,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:28:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:50,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-11-08 22:28:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-11-08 22:28:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:28:50,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:50,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:28:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:28:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:50,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:28:50,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:55,497 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse0 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse1 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))) (and (<= .cse1 127) (<= |c_ULTIMATE.start_gcd_test_~b#1| .cse1) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (and (let ((.cse5 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (or (and (let ((.cse2 (+ (- 256) .cse5))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (<= .cse0 (mod (+ (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse3 (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (mod (+ .cse3 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256) 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse0 (mod (+ .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= .cse0 (mod (+ (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse4 (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= .cse0 (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) 127)))) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (= (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (<= 128 .cse5)) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse5 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (<= .cse5 127)))) (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0)))) is different from true [2024-11-08 22:28:56,387 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256))) (or (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse0 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))) (and (<= .cse0 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= |c_ULTIMATE.start_gcd_test_~a#1| .cse0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse1 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))))) (and (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0) (let ((.cse2 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (<= .cse2 127)) (and (let ((.cse4 (+ (- 256) .cse2))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse3 (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= .cse1 (mod (+ .cse3 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= (mod (+ .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) 127)))) (and (<= |c_ULTIMATE.start_gcd_test_~a#1| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (= (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= .cse1 (mod (+ (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= .cse1 (mod (+ (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse5 (mod .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (mod (+ .cse5 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256) 127) (<= .cse1 (mod (+ .cse5 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (<= 128 .cse2))))))) is different from true [2024-11-08 22:28:57,155 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 256 |c_ULTIMATE.start_main_~g~0#1|))) (or (and (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0) (let ((.cse0 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |c_ULTIMATE.start_main_~g~0#1| (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (<= .cse0 127)) (and (let ((.cse3 (+ (- 256) .cse0))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse1 (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (mod (+ .cse1 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256) 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse2 (mod (+ .cse1 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= .cse2 (mod (+ (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|) |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse2 (mod (+ (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)))) (and (<= |c_ULTIMATE.start_main_~g~0#1| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (= (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse4 (mod .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) 127) (<= .cse2 (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256))))))) (<= 128 .cse0))))) (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= .cse2 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse5 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))) (and (<= |c_ULTIMATE.start_main_~g~0#1| .cse5) (<= .cse5 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))))) is different from true [2024-11-08 22:28:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-11-08 22:29:07,276 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse0 (<= 0 |c_ULTIMATE.start_main_~x~0#1|)) (.cse3 (<= 128 .cse1)) (.cse2 (<= .cse1 127))) (and (not (or .cse0 (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse1) .cse2) (and (= (+ |c_ULTIMATE.start_gcd_test_~a#1| 256) .cse1) .cse3))) (let ((.cse4 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse4 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse5 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))) (and (<= .cse5 127) (<= |c_ULTIMATE.start_gcd_test_~b#1| .cse5) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (and (or (and (let ((.cse6 (+ (- 256) .cse1))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (<= .cse4 (mod (+ (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse7 (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (mod (+ .cse7 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256) 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse4 (mod (+ .cse7 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= .cse4 (mod (+ (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse8 (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= .cse4 (mod (+ .cse8 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= (mod (+ .cse8 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) 127)))) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (= (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) .cse3) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) .cse2)) (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0))))))) is different from true [2024-11-08 22:29:07,836 WARN L851 $PredicateComparison]: unable to prove that (not (let ((.cse0 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and (<= 0 |c_ULTIMATE.start_main_~x~0#1|) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse0 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse1 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))) (and (<= .cse1 127) (<= |c_ULTIMATE.start_gcd_test_~b#1| .cse1) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (and (let ((.cse5 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (or (and (let ((.cse2 (+ (- 256) .cse5))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (<= .cse0 (mod (+ (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse3 (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (mod (+ .cse3 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256) 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse0 (mod (+ .cse3 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= .cse0 (mod (+ (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse4 (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= .cse0 (mod (+ .cse4 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= (mod (+ .cse4 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) 127)))) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (= (mod .cse2 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (<= 128 .cse5)) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse5 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (<= .cse5 127)))) (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0))))) is different from false [2024-11-08 22:29:07,904 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (mod (* |c_ULTIMATE.start_main_~x~0#1| 255) 256))) (let ((.cse0 (<= 0 |c_ULTIMATE.start_main_~x~0#1|)) (.cse3 (<= 128 .cse1)) (.cse2 (<= .cse1 127))) (and (not (or .cse0 (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse1) .cse2) (and (= (+ |c_ULTIMATE.start_gcd_test_~a#1| 256) .cse1) .cse3))) (not (let ((.cse4 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256))) (or (and .cse0 (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse4 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse5 (mod (mod |c_ULTIMATE.start_main_~x~0#1| |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))) (and (<= .cse5 127) (<= |c_ULTIMATE.start_gcd_test_~b#1| .cse5) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) (and (or (and (let ((.cse6 (+ (- 256) .cse1))) (or (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~b#1_30|) (<= .cse4 (mod (+ (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse7 (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= (mod (+ .cse7 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256) 127) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= .cse4 (mod (+ .cse7 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256))))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= (+ |v_ULTIMATE.start_gcd_test_~b#1_30| 1) 0) (<= .cse4 (mod (+ (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)))) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (let ((.cse8 (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|))) (and (<= .cse4 (mod (+ .cse8 (* 255 |v_ULTIMATE.start_gcd_test_~b#1_30|)) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)) (<= (mod (+ .cse8 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256) 127)))) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| 0) (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (= (mod .cse6 |v_ULTIMATE.start_gcd_test_~b#1_30|) 0) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0))))))) .cse3) (and (exists ((|v_ULTIMATE.start_gcd_test_~b#1_30| Int)) (and (<= |c_ULTIMATE.start_gcd_test_~b#1| (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~b#1_30|) 256)) (not (= |v_ULTIMATE.start_gcd_test_~b#1_30| 0)))) .cse2)) (<= (+ |c_ULTIMATE.start_main_~x~0#1| 1) 0)))))))) is different from false [2024-11-08 22:32:55,270 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-08 22:32:55,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-08 22:32:55,272 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:192) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:388) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.isSatEdge(UltimateChecker.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.connectOutgoingIfSat(UltimateChecker.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 36 more [2024-11-08 22:32:55,276 INFO L158 Benchmark]: Toolchain (without parser) took 260781.11ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 109.3MB in the beginning and 62.5MB in the end (delta: 46.8MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2024-11-08 22:32:55,277 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:32:55,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.94ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 96.7MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:32:55,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.47ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 115.7MB in the end (delta: -19.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:32:55,279 INFO L158 Benchmark]: Boogie Preprocessor took 38.07ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:32:55,279 INFO L158 Benchmark]: RCFGBuilder took 321.02ms. Allocated memory is still 144.7MB. Free memory was 114.3MB in the beginning and 100.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:32:55,280 INFO L158 Benchmark]: CodeCheck took 259983.64ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.2MB in the beginning and 62.5MB in the end (delta: 37.7MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-11-08 22:32:55,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 109.1MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.94ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 96.7MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.47ms. Allocated memory is still 144.7MB. Free memory was 96.7MB in the beginning and 115.7MB in the end (delta: -19.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.07ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 321.02ms. Allocated memory is still 144.7MB. Free memory was 114.3MB in the beginning and 100.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 259983.64ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 100.2MB in the beginning and 62.5MB in the end (delta: 37.7MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/gcd_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:32:57,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:32:57,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:32:57,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:32:57,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:32:57,473 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:32:57,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:32:57,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:32:57,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:32:57,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:32:57,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:32:57,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:32:57,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:32:57,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:32:57,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:32:57,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:32:57,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:32:57,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:32:57,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:32:57,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:32:57,480 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:32:57,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:32:57,481 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:32:57,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:32:57,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:32:57,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:32:57,483 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,483 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:32:57,484 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:32:57,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:32:57,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:32:57,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:32:57,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:32:57,486 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:32:57,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:32:57,486 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:32:57,487 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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17434adceb46f4d2d18d3a85d6d4ed55515fdf3dbd1a573601edbae0be0a7746 [2024-11-08 22:32:57,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:32:57,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:32:57,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:32:57,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:32:57,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:32:57,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/bitvector/gcd_3.c Unable to find full path for "g++" [2024-11-08 22:33:00,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:33:00,341 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:33:00,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/sv-benchmarks/c/bitvector/gcd_3.c [2024-11-08 22:33:00,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data/7b6974582/350b68e16eba47d68d57747eaef58af1/FLAGa22fa4752 [2024-11-08 22:33:00,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/data/7b6974582/350b68e16eba47d68d57747eaef58af1 [2024-11-08 22:33:00,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:33:00,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:33:00,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:00,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:33:00,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:33:00,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebe9e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00, skipping insertion in model container [2024-11-08 22:33:00,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:33:00,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-11-08 22:33:00,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:00,649 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:33:00,663 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_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/sv-benchmarks/c/bitvector/gcd_3.c[664,677] [2024-11-08 22:33:00,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:00,698 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:33:00,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00 WrapperNode [2024-11-08 22:33:00,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:00,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:00,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:33:00,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:33:00,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,736 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-08 22:33:00,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:00,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:33:00,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:33:00,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:33:00,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:33:00,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:33:00,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:33:00,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:33:00,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:00" (1/1) ... [2024-11-08 22:33:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:00,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:33:00,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:33:00,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:33:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:33:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:33:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:33:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:33:00,922 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:33:00,924 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:33:01,149 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 22:33:01,150 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:33:01,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:33:01,219 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:33:01,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:01 BoogieIcfgContainer [2024-11-08 22:33:01,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:33:01,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:33:01,221 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:33:01,231 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:33:01,231 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:01" (1/1) ... [2024-11-08 22:33:01,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:33:01,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 22:33:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 22:33:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:33:01,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:01,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:01,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:01,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:01,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:33:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:01,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:33:01,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:01,823 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:33:01,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:33:02,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2024-11-08 22:33:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2024-11-08 22:33:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:33:02,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:33:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:02,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:33:02,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 22:33:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 22:33:02,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:33:02,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:02,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:02,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:02,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:33:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:02,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:33:02,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:33:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:33:07,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:33:24,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.65s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:35,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:37,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:33:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:38,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-08 22:33:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-08 22:33:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:33:38,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:38,247 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:33:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:38,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:33:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:33:38,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:33:38,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:27,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:36:03,828 WARN L286 SmtUtils]: Spent 11.48s on a formula simplification. DAG size of input: 48 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:36:28,804 WARN L286 SmtUtils]: Spent 6.81s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:37:13,768 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:37:34,030 WARN L286 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:37:44,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:37:55,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:38:05,629 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse2)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_gcd_test_~a#1|))) (and (let ((.cse3 (bvslt .cse2 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse0 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (not (= .cse0 (_ bv0 32))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem .cse2 .cse0)))))) (not .cse3)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem .cse4 .cse5))) (not (= .cse5 (_ bv0 32))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32))))) .cse3))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))) (_ bv0 32)))))) is different from false [2024-11-08 22:39:08,800 WARN L286 SmtUtils]: Spent 20.60s on a formula simplification. DAG size of input: 38 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:39:18,856 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse2)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_gcd_test_~a#1|))) (and (let ((.cse3 (bvslt .cse2 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse0 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (not (= .cse0 (_ bv0 32))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))) (_ bv0 32)) (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem .cse2 .cse0)))))) (not .cse3)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| ((_ extract 7 0) (bvsrem .cse4 .cse5))) (not (= .cse5 (_ bv0 32))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32))))) .cse3))) (not (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse4 .cse1))) (_ bv0 32))))))) is different from true [2024-11-08 22:39:28,974 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse2)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse4 (bvslt .cse2 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem .cse2 .cse3))) (not (= .cse3 (_ bv0 32))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))))))) (not .cse4)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (not (= .cse5 (_ bv0 32))) (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse5))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))))))) .cse4)))))) is different from false [2024-11-08 22:40:39,563 WARN L286 SmtUtils]: Spent 24.90s on a formula simplification. DAG size of input: 38 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:40:49,623 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse2 ((_ sign_extend 24) |c_ULTIMATE.start_main_~x~0#1|))) (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse2)))) (.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main_~g~0#1|))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse4 (bvslt .cse2 (_ bv0 32)))) (or (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem .cse2 .cse3))) (not (= .cse3 (_ bv0 32))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))))))) (not .cse4)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_26| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_26|))) (and (not (= .cse5 (_ bv0 32))) (= |c_ULTIMATE.start_main_~g~0#1| ((_ extract 7 0) (bvsrem .cse0 .cse5))) (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))))))) .cse4))))))) is different from true [2024-11-08 22:40:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:49,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2024-11-08 22:40:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2024-11-08 22:40:49,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:40:49,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:49,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:49,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:49,750 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:49,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:40:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:50,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:40:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:50,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:40:50,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:07,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:41:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2024-11-08 22:41:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2024-11-08 22:41:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:41:07,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:07,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:07,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:07,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:07,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:41:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:08,392 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:08,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:41:08,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:45,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:42:03,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:03,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 25 states and 53 transitions. [2024-11-08 22:42:03,315 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2024-11-08 22:42:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:42:03,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:03,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:03,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:03,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:03,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:42:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:03,811 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:04,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:42:04,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:43,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 22:42:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 58 transitions. [2024-11-08 22:42:44,143 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 58 transitions. [2024-11-08 22:42:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:42:44,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:44,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:44,152 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:44,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:42:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:44,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:45,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:42:45,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:57,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:42:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 27 states and 63 transitions. [2024-11-08 22:42:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 63 transitions. [2024-11-08 22:42:57,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:42:57,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:57,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:57,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:57,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:57,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:42:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:58,328 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:58,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:42:58,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:33,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:33,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 29 states and 77 transitions. [2024-11-08 22:43:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 77 transitions. [2024-11-08 22:43:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:43:33,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:33,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:33,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:33,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:33,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:43:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:33,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:34,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 22:43:34,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:43:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:43:48,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:43:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:43:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 29 states and 77 transitions. [2024-11-08 22:43:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 77 transitions. [2024-11-08 22:43:48,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:43:48,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:43:48,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:43:48,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:43:48,353 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:43:48,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c8068f-e2c8-4b9f-8c3a-3dfe19cd6477/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:43:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:48,738 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:43:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:43:49,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:43:49,722 INFO L278 TraceCheckSpWp]: Computing forward predicates...