./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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 d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:25:51,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:25:51,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:25:51,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:25:51,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:25:51,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:25:51,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:25:51,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:25:51,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:25:51,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:25:51,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:25:51,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:25:51,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:25:51,633 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:25:51,633 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:25:51,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:25:51,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:25:51,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:25:51,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:25:51,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:25:51,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:25:51,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:25:51,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:25:51,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:25:51,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:25:51,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:25:51,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:25:51,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:51,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:25:51,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:25:51,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:25:51,641 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:25:51,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:25:51,642 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 [2024-11-08 23:25:51,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:25:51,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:25:51,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:25:51,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:25:51,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:25:51,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i Unable to find full path for "g++" [2024-11-08 23:25:54,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:25:54,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:25:54,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i [2024-11-08 23:25:54,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data/4d2434f5c/92bfd44a6cc0443d90e72a7bd4aa31e6/FLAGdd0ca0d67 [2024-11-08 23:25:54,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data/4d2434f5c/92bfd44a6cc0443d90e72a7bd4aa31e6 [2024-11-08 23:25:54,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:25:54,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:25:54,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:54,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:25:54,607 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:25:54,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:54,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6054f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54, skipping insertion in model container [2024-11-08 23:25:54,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:54,640 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:25:54,859 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-08 23:25:54,889 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-08 23:25:54,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:54,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:25:54,921 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-08 23:25:54,934 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-08 23:25:54,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:25:54,955 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:25:54,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54 WrapperNode [2024-11-08 23:25:54,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:25:54,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:54,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:25:54,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:25:54,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:54,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:54,997 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-11-08 23:25:54,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:25:54,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:25:54,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:25:54,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:25:55,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,018 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:25:55,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:25:55,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:25:55,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:25:55,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:25:54" (1/1) ... [2024-11-08 23:25:55,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:25:55,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:25:55,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:25:55,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:25:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:25:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:25:55,097 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:25:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:25:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:25:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:25:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:25:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:25:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:25:55,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:25:55,168 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:25:55,170 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:25:55,406 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 23:25:55,406 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:25:55,521 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:25:55,522 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:25:55,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:55 BoogieIcfgContainer [2024-11-08 23:25:55,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:25:55,524 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:25:55,524 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:25:55,533 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:25:55,534 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:55" (1/1) ... [2024-11-08 23:25:55,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:25:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-08 23:25:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-08 23:25:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:25:55,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:55,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:56,027 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 23:25:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2024-11-08 23:25:56,094 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 23:25:56,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:25:56,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:56,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:56,233 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 23:25:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-08 23:25:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-08 23:25:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:25:56,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:56,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:56,391 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 23:25:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-08 23:25:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-08 23:25:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:25:56,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:56,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:56,671 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 23:25:56,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:56,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-08 23:25:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-08 23:25:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:25:56,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:56,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:57,249 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 23:25:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2024-11-08 23:25:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2024-11-08 23:25:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:25:57,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:57,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:25:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2024-11-08 23:25:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-08 23:25:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:25:58,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:58,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:25:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:59,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:26:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2024-11-08 23:26:00,646 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2024-11-08 23:26:00,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:26:00,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:00,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:26:01,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2024-11-08 23:26:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2024-11-08 23:26:01,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:26:01,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:01,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:26:01,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 65 states and 108 transitions. [2024-11-08 23:26:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 108 transitions. [2024-11-08 23:26:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:26:01,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:01,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:26:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:26:01,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:26:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:26:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:26:01,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:26:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:26:01,585 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-08 23:26:01,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:26:01 ImpRootNode [2024-11-08 23:26:01,611 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:26:01,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:26:01,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:26:01,612 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:26:01,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:25:55" (3/4) ... [2024-11-08 23:26:01,615 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:26:01,616 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:26:01,617 INFO L158 Benchmark]: Toolchain (without parser) took 7018.04ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 99.2MB in the end (delta: 38.6MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-08 23:26:01,617 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory was 79.2MB in the beginning and 79.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:26:01,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.07ms. Allocated memory is still 176.2MB. Free memory was 137.0MB in the beginning and 123.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:26:01,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.07ms. Allocated memory is still 176.2MB. Free memory was 123.6MB in the beginning and 121.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:26:01,620 INFO L158 Benchmark]: Boogie Preprocessor took 28.51ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:26:01,620 INFO L158 Benchmark]: RCFGBuilder took 495.75ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 102.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:26:01,621 INFO L158 Benchmark]: CodeCheck took 6087.18ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 3.0MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2024-11-08 23:26:01,621 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 176.2MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:26:01,625 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 36 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 293 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1240 IncrementalHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 293 mSolverCounterUnsat, 98 mSDtfsCounter, 1240 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1208 GetRequests, 1090 SyntacticMatches, 18 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5074 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 0/62 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 109]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 104. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [L104] CALL, EXPR f(x) VAL [\old(x)=4] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L104] RET, EXPR f(x) VAL [IN=2, x=4] [L104] CALL, EXPR fp(x) VAL [\old(x)=4] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L104] RET, EXPR fp(x) VAL [IN=2, x=4] [L104] x = x - f(x)/fp(x) [L108] COND TRUE !(x < 0.1) VAL [IN=2] [L109] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory was 79.2MB in the beginning and 79.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.07ms. Allocated memory is still 176.2MB. Free memory was 137.0MB in the beginning and 123.6MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.07ms. Allocated memory is still 176.2MB. Free memory was 123.6MB in the beginning and 121.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.51ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 120.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.75ms. Allocated memory is still 176.2MB. Free memory was 120.2MB in the beginning and 102.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6087.18ms. Allocated memory is still 176.2MB. Free memory was 102.1MB in the beginning and 99.2MB in the end (delta: 3.0MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 176.2MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:26:01,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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 d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:26:04,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:26:04,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:26:04,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:26:04,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:26:04,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:26:04,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:26:04,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:26:04,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:26:04,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:26:04,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:26:04,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:26:04,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:26:04,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:26:04,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:26:04,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:26:04,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:26:04,336 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:26:04,336 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:26:04,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:26:04,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:26:04,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:26:04,341 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:26:04,341 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:26:04,342 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:26:04,342 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:26:04,342 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:04,343 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:26:04,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:26:04,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:26:04,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:26:04,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:26:04,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:26:04,345 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:26:04,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:04,345 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:26:04,345 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2ff4855d3411c2183b4955db69fb0d32886e02ca6014c3e616f77788a55bdc3 [2024-11-08 23:26:04,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:26:04,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:26:04,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:26:04,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:26:04,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:26:04,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_3_6.i Unable to find full path for "g++" [2024-11-08 23:26:06,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:26:07,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:26:07,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i [2024-11-08 23:26:07,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data/5c784e5a7/491f53a238144bdcbc56e4f96476e8c8/FLAGe1b55b945 [2024-11-08 23:26:07,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/data/5c784e5a7/491f53a238144bdcbc56e4f96476e8c8 [2024-11-08 23:26:07,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:26:07,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:26:07,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:26:07,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:26:07,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:26:07,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:07,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6994b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07, skipping insertion in model container [2024-11-08 23:26:07,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:07,522 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:26:07,778 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-08 23:26:07,826 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-08 23:26:07,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:26:07,849 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:26:07,870 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[1224,1237] [2024-11-08 23:26:07,892 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_7b43f495-b9bc-47ee-92fc-3f9554cc0248/sv-benchmarks/c/combinations/gcd_4+newton_3_6.i[2848,2861] [2024-11-08 23:26:07,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:26:07,942 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:26:07,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07 WrapperNode [2024-11-08 23:26:07,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:26:07,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:26:07,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:26:07,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:26:07,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:07,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,027 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-11-08 23:26:08,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:26:08,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:26:08,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:26:08,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:26:08,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:26:08,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:26:08,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:26:08,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:26:08,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:26:07" (1/1) ... [2024-11-08 23:26:08,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:26:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:26:08,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:26:08,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:26:08,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:26:08,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:26:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 23:26:08,163 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 23:26:08,163 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 23:26:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 23:26:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:26:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:26:08,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:26:08,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:26:08,256 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:26:08,258 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:26:31,575 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 23:26:31,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:26:31,676 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:26:31,676 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:26:31,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:26:31 BoogieIcfgContainer [2024-11-08 23:26:31,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:26:31,678 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:26:31,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:26:31,694 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:26:31,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:26:31" (1/1) ... [2024-11-08 23:26:31,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:26:31,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:31,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-08 23:26:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-08 23:26:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:26:31,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:31,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:31,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:31,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:31,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:26:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:32,011 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:32,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:26:32,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:32,199 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 23:26:32,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:32,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2024-11-08 23:26:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 23:26:32,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:26:32,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:32,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:32,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:32,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:32,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:26:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:32,602 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:32,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:26:32,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:32,782 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 23:26:32,785 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:26:32,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:33,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-08 23:26:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-08 23:26:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:26:33,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:33,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:33,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:33,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:26:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:33,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:33,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:26:33,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:33,767 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 23:26:33,770 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:26:33,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-08 23:26:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-08 23:26:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:26:34,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:34,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:34,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:34,016 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:34,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:26:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:34,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:34,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:26:34,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:34,382 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 23:26:34,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:26:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:35,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2024-11-08 23:26:35,223 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-11-08 23:26:35,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:26:35,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:35,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:35,227 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:35,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:26:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:35,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:35,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:26:35,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:35,952 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 23:26:35,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:26:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2024-11-08 23:26:37,412 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-08 23:26:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:26:37,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:37,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:37,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:37,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:37,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:26:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:37,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:37,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:26:37,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:26:38,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:26:39,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2024-11-08 23:26:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2024-11-08 23:26:39,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:26:39,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:39,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:39,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:39,792 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:39,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:26:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:40,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:40,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:26:40,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:40,797 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:26:40,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:26:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-08 23:26:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-08 23:26:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:26:43,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:43,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:43,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:43,370 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:43,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b43f495-b9bc-47ee-92fc-3f9554cc0248/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process