./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_2.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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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 19e5e10e8b882a2339014fe22e262bc9b50fc611ccb496d82df2ea8022cd18a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:50:16,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:50:16,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:50:16,573 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:50:16,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:50:16,617 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:50:16,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:50:16,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:50:16,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:50:16,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:50:16,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:50:16,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:50:16,626 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:50:16,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:50:16,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:50:16,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:50:16,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:50:16,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:50:16,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:50:16,631 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:50:16,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:50:16,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:50:16,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:50:16,633 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:50:16,633 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:50:16,633 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:50:16,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:50:16,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:50:16,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:50:16,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:50:16,635 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:50:16,635 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:50:16,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:50:16,648 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19e5e10e8b882a2339014fe22e262bc9b50fc611ccb496d82df2ea8022cd18a7 [2024-11-08 22:50:17,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:50:17,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:50:17,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:50:17,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:50:17,057 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:50:17,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_3_2.i Unable to find full path for "g++" [2024-11-08 22:50:19,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:50:19,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:50:19,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i [2024-11-08 22:50:19,404 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data/eeb7b519d/89ffd32648cd43f6a18bb943a5c23d02/FLAG6e7b7a120 [2024-11-08 22:50:19,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data/eeb7b519d/89ffd32648cd43f6a18bb943a5c23d02 [2024-11-08 22:50:19,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:50:19,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:50:19,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:50:19,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:50:19,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:50:19,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:50:19" (1/1) ... [2024-11-08 22:50:19,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b06c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:19, skipping insertion in model container [2024-11-08 22:50:19,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:50:19" (1/1) ... [2024-11-08 22:50:19,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:50:19,942 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[1224,1237] [2024-11-08 22:50:19,976 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[2848,2861] [2024-11-08 22:50:19,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:50:19,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:50:20,007 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[1224,1237] [2024-11-08 22:50:20,021 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[2848,2861] [2024-11-08 22:50:20,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:50:20,045 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:50:20,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20 WrapperNode [2024-11-08 22:50:20,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:50:20,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:50:20,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:50:20,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:50:20,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,093 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-11-08 22:50:20,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:50:20,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:50:20,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:50:20,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:50:20,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,133 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:50:20,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:50:20,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:50:20,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:50:20,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:50:20,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:50:20,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:50:20,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:50:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:50:20,230 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:50:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:50:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:50:20,231 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:50:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:50:20,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:50:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:50:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:50:20,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:50:20,320 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:50:20,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:50:20,585 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:50:20,585 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:50:20,668 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:50:20,669 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:50:20,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:20 BoogieIcfgContainer [2024-11-08 22:50:20,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:50:20,671 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:50:20,671 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:50:20,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:50:20,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:20" (1/1) ... [2024-11-08 22:50:20,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:50:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-08 22:50:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-08 22:50:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:50:20,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:20,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,152 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 22:50:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2024-11-08 22:50:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 22:50:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:50:21,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,461 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 22:50:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:21,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-08 22:50:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-08 22:50:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:50:21,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:21,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:21,749 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 22:50:21,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:21,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-08 22:50:21,790 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-08 22:50:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:50:21,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:21,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:22,165 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 22:50:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-08 22:50:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-08 22:50:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:50:22,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:22,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:22,922 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 22:50:23,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:23,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2024-11-08 22:50:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2024-11-08 22:50:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:50:23,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:23,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:23,962 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 22:50:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2024-11-08 22:50:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-08 22:50:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:50:24,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:24,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:25,338 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 22:50:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:26,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2024-11-08 22:50:26,683 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2024-11-08 22:50:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:50:26,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:26,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:27,004 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 22:50:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 105 transitions. [2024-11-08 22:50:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 105 transitions. [2024-11-08 22:50:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:50:27,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:27,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:27,521 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 22:50:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 65 states and 108 transitions. [2024-11-08 22:50:27,840 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 108 transitions. [2024-11-08 22:50:27,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:50:27,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:27,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:50:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:50:27,859 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:50:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:50:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:50:27,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:50:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:50:27,985 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2024-11-08 22:50:28,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:50:28 ImpRootNode [2024-11-08 22:50:28,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:50:28,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:50:28,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:50:28,040 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:50:28,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:20" (3/4) ... [2024-11-08 22:50:28,044 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:50:28,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:50:28,048 INFO L158 Benchmark]: Toolchain (without parser) took 8358.66ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 123.0MB in the beginning and 157.7MB in the end (delta: -34.7MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-11-08 22:50:28,050 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 124.9MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:50:28,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.61ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 109.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:50:28,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.14ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:50:28,053 INFO L158 Benchmark]: Boogie Preprocessor took 47.24ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 106.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:50:28,053 INFO L158 Benchmark]: RCFGBuilder took 527.76ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 87.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:50:28,054 INFO L158 Benchmark]: CodeCheck took 7368.05ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 87.8MB in the beginning and 157.7MB in the end (delta: -69.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:50:28,055 INFO L158 Benchmark]: Witness Printer took 6.62ms. Allocated memory is still 197.1MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:50:28,058 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: 7.3s, 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, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 2.8s 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, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s 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 > -0.4f && IN < 0.4f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [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 1.00ms. Allocated memory is still 157.3MB. Free memory was 125.0MB in the beginning and 124.9MB in the end (delta: 176.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.61ms. Allocated memory is still 157.3MB. Free memory was 123.0MB in the beginning and 109.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.14ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.24ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 106.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.76ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 87.8MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7368.05ms. Allocated memory was 157.3MB in the beginning and 197.1MB in the end (delta: 39.8MB). Free memory was 87.8MB in the beginning and 157.7MB in the end (delta: -69.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.62ms. Allocated memory is still 197.1MB. Free memory is still 157.7MB. 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 22:50:28,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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 19e5e10e8b882a2339014fe22e262bc9b50fc611ccb496d82df2ea8022cd18a7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:50:30,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:50:30,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:50:30,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:50:30,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:50:30,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:50:30,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:50:30,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:50:30,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:50:30,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:50:30,907 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:50:30,908 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:50:30,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:50:30,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:50:30,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:50:30,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:50:30,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:50:30,910 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:50:30,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:50:30,911 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:50:30,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:50:30,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:50:30,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:50:30,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:50:30,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:50:30,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:50:30,914 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:30,915 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:50:30,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:50:30,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:50:30,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:50:30,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:50:30,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:50:30,917 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:50:30,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:30,918 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:50:30,919 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19e5e10e8b882a2339014fe22e262bc9b50fc611ccb496d82df2ea8022cd18a7 [2024-11-08 22:50:31,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:50:31,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:50:31,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:50:31,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:50:31,401 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:50:31,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_3_2.i Unable to find full path for "g++" [2024-11-08 22:50:33,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:50:34,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:50:34,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i [2024-11-08 22:50:34,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data/0a58721a6/61bf6f72201947649ff937fcf5c2740e/FLAGa85425f8b [2024-11-08 22:50:34,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/data/0a58721a6/61bf6f72201947649ff937fcf5c2740e [2024-11-08 22:50:34,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:50:34,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:50:34,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:50:34,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:50:34,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:50:34,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f3cd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34, skipping insertion in model container [2024-11-08 22:50:34,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,390 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:50:34,630 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[1224,1237] [2024-11-08 22:50:34,667 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[2848,2861] [2024-11-08 22:50:34,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:50:34,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:50:34,718 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[1224,1237] [2024-11-08 22:50:34,748 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_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/sv-benchmarks/c/combinations/gcd_4+newton_3_2.i[2848,2861] [2024-11-08 22:50:34,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:50:34,800 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:50:34,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34 WrapperNode [2024-11-08 22:50:34,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:50:34,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:50:34,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:50:34,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:50:34,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,861 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-11-08 22:50:34,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:50:34,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:50:34,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:50:34,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:50:34,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:50:34,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:50:34,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:50:34,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:50:34,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:50:34" (1/1) ... [2024-11-08 22:50:34,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:50:34,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:50:34,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:50:34,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:50:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:50:35,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:50:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:50:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:50:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:50:35,066 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:50:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:50:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:50:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:50:35,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:50:35,178 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:50:35,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:50:57,025 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 22:50:57,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:50:57,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:50:57,110 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:50:57,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:57 BoogieIcfgContainer [2024-11-08 22:50:57,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:50:57,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:50:57,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:50:57,128 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:50:57,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:50:57" (1/1) ... [2024-11-08 22:50:57,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:50:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-08 22:50:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-08 22:50:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:50:57,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:57,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:57,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:57,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:57,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:50:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:57,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:57,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:50:57,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:57,619 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 22:50:57,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:50:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2024-11-08 22:50:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 22:50:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:50:57,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:57,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:57,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:57,802 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:57,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:50:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:58,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:58,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:50:58,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:58,197 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 22:50:58,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:50:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-08 22:50:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-08 22:50:58,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:50:58,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:58,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:58,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:58,902 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:58,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:50:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:58,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:50:59,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:59,163 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 22:50:59,165 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:50:59,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:50:59,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:50:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-08 22:50:59,426 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-08 22:50:59,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:50:59,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:50:59,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:50:59,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:50:59,431 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:50:59,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:50:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:50:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:50:59,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:50:59,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:50:59,835 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 22:50:59,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2024-11-08 22:51:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2024-11-08 22:51:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:51:00,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:00,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:00,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:00,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:00,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:51:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:00,869 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:00,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:51:00,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:01,281 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 22:51:01,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:51:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 41 states and 52 transitions. [2024-11-08 22:51:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-08 22:51:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:51:02,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:02,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:02,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:02,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:02,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:51:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:02,795 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:02,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:51:02,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:03,360 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 22:51:03,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2024-11-08 22:51:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2024-11-08 22:51:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:51:04,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:04,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:04,993 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:04,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:51:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:05,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:51:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:51:05,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:51:05,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:51:06,074 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 22:51:06,077 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:51:06,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:51:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:51:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2024-11-08 22:51:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2024-11-08 22:51:08,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:51:08,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:51:08,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:51:08,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:51:08,469 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:51:08,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e991c4be-96d8-4caa-9d8f-e59e4deb9ca6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process