./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_3_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fac7e7835446ac69229cd712eb8181e46fef468b0e6881ccc6e306adaaef48bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:34:02,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:34:02,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:34:02,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:34:02,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:34:02,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:34:02,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:34:02,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:34:02,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:34:02,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:34:02,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:34:02,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:34:02,941 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:34:02,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:34:02,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:34:02,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:34:02,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:34:02,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:34:02,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:34:02,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:34:02,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:34:02,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:02,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:34:02,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:34:02,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:34:02,945 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:34:02,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:34:02,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fac7e7835446ac69229cd712eb8181e46fef468b0e6881ccc6e306adaaef48bd [2024-11-13 21:34:03,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:34:03,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:34:03,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:34:03,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:34:03,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:34:03,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_3_3.i Unable to find full path for "g++" [2024-11-13 21:34:05,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:34:06,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:34:06,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i [2024-11-13 21:34:06,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data/7eaa5edc8/c8328b0a5bd44226802342c27854cfc8/FLAG8928ccb2b [2024-11-13 21:34:06,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data/7eaa5edc8/c8328b0a5bd44226802342c27854cfc8 [2024-11-13 21:34:06,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:34:06,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:34:06,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:06,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:34:06,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:34:06,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1026a4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06, skipping insertion in model container [2024-11-13 21:34:06,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:34:06,364 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[1224,1237] [2024-11-13 21:34:06,405 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[2848,2861] [2024-11-13 21:34:06,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:06,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:34:06,435 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[1224,1237] [2024-11-13 21:34:06,447 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[2848,2861] [2024-11-13 21:34:06,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:06,465 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:34:06,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06 WrapperNode [2024-11-13 21:34:06,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:06,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:06,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:34:06,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:34:06,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,510 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 83 [2024-11-13 21:34:06,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:06,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:34:06,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:34:06,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:34:06,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:34:06,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:34:06,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:34:06,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:34:06,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:06" (1/1) ... [2024-11-13 21:34:06,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:06,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:34:06,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:34:06,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:34:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:34:06,643 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:34:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:34:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:34:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:34:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:34:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:34:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:34:06,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:34:06,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:34:06,738 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:34:06,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:07,011 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:07,012 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:07,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:07,125 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:34:07,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:07 BoogieIcfgContainer [2024-11-13 21:34:07,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:07,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:07,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:07,141 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:07,141 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:07" (1/1) ... [2024-11-13 21:34:07,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:07,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 21:34:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 21:34:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:34:07,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:07,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 21:34:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 21:34:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:34:07,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:07,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:08,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:08,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-13 21:34:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-13 21:34:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:34:08,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:08,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2024-11-13 21:34:08,565 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2024-11-13 21:34:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:34:08,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:08,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2024-11-13 21:34:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-11-13 21:34:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:34:09,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2024-11-13 21:34:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2024-11-13 21:34:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:34:10,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:10,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2024-11-13 21:34:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2024-11-13 21:34:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:34:12,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:12,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 21:34:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 21:34:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:34:12,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:12,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 48 states and 86 transitions. [2024-11-13 21:34:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 86 transitions. [2024-11-13 21:34:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:34:13,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:13,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:34:13,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:15,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-13 21:34:15,913 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-13 21:34:15,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:34:15,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:15,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:15,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:34:15,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:16,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-11-13 21:34:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-11-13 21:34:16,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:34:16,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:16,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:34:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:16,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 21:34:16,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:17,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 49 transitions. [2024-11-13 21:34:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2024-11-13 21:34:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:34:20,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:20,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:34:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:20,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:34:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:20,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:34:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:34:20,528 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2024-11-13 21:34:20,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:34:20 ImpRootNode [2024-11-13 21:34:20,575 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:34:20,576 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:34:20,576 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:34:20,576 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:34:20,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:07" (3/4) ... [2024-11-13 21:34:20,581 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:34:20,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:34:20,583 INFO L158 Benchmark]: Toolchain (without parser) took 14484.09ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 95.4MB in the beginning and 145.6MB in the end (delta: -50.2MB). Peak memory consumption was 182.9MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,584 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:20,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.15ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 83.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.49ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:20,585 INFO L158 Benchmark]: Boogie Preprocessor took 43.67ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:20,588 INFO L158 Benchmark]: RCFGBuilder took 570.18ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 63.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,590 INFO L158 Benchmark]: CodeCheck took 13448.54ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.8MB in the beginning and 145.7MB in the end (delta: -81.8MB). Peak memory consumption was 157.7MB. Max. memory is 16.1GB. [2024-11-13 21:34:20,590 INFO L158 Benchmark]: Witness Printer took 6.73ms. Allocated memory is still 352.3MB. Free memory was 145.7MB in the beginning and 145.6MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:34:20,595 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, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 364 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 621 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1760 IncrementalHoareTripleChecker+Invalid, 2381 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 621 mSolverCounterUnsat, 118 mSDtfsCounter, 1760 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1459 GetRequests, 1283 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11525 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 161 NumberOfCodeBlocks, 161 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 SizeOfPredicates, 6 NumberOfNonLiveVariables, 231 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2/87 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 100, overapproximation of someBinaryArithmeticFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 87, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of someBinaryArithmeticFLOAToperation at line 102. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -0.6f && IN < 0.6f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.6f && IN < 0.6f) [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 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 362.15ms. Allocated memory is still 117.4MB. Free memory was 95.0MB in the beginning and 83.3MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.49ms. Allocated memory is still 117.4MB. Free memory was 83.3MB in the beginning and 81.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.67ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 570.18ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 63.8MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13448.54ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.8MB in the beginning and 145.7MB in the end (delta: -81.8MB). Peak memory consumption was 157.7MB. Max. memory is 16.1GB. * Witness Printer took 6.73ms. Allocated memory is still 352.3MB. Free memory was 145.7MB in the beginning and 145.6MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:34:20,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_3_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fac7e7835446ac69229cd712eb8181e46fef468b0e6881ccc6e306adaaef48bd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:34:23,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:34:24,124 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 21:34:24,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:34:24,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:34:24,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:34:24,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:34:24,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:34:24,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:34:24,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:34:24,206 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:34:24,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:34:24,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:34:24,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:34:24,211 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:34:24,211 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:34:24,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:34:24,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:34:24,213 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:34:24,213 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:34:24,213 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:24,213 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:34:24,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:34:24,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:24,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:34:24,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:34:24,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:34:24,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:34:24,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:24,214 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:34:24,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fac7e7835446ac69229cd712eb8181e46fef468b0e6881ccc6e306adaaef48bd [2024-11-13 21:34:24,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:34:24,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:34:24,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:34:24,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:34:24,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:34:24,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_4+newton_3_3.i Unable to find full path for "g++" [2024-11-13 21:34:26,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:34:27,257 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:34:27,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i [2024-11-13 21:34:27,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data/cbc8a2e1c/0461f9a8628c46b09b620bdea29b6d16/FLAG9606ec541 [2024-11-13 21:34:27,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/data/cbc8a2e1c/0461f9a8628c46b09b620bdea29b6d16 [2024-11-13 21:34:27,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:34:27,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:34:27,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:27,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:34:27,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:34:27,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:27,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58151867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27, skipping insertion in model container [2024-11-13 21:34:27,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:27,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:34:27,788 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[1224,1237] [2024-11-13 21:34:27,847 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[2848,2861] [2024-11-13 21:34:27,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:27,877 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:34:27,900 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[1224,1237] [2024-11-13 21:34:27,926 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_618a7437-39cc-44d4-ae13-b33dba10b301/sv-benchmarks/c/combinations/gcd_4+newton_3_3.i[2848,2861] [2024-11-13 21:34:27,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:34:27,954 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:34:27,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27 WrapperNode [2024-11-13 21:34:27,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:34:27,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:27,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:34:27,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:34:27,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:27,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,014 INFO L138 Inliner]: procedures = 28, calls = 28, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 80 [2024-11-13 21:34:28,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:34:28,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:34:28,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:34:28,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:34:28,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,033 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:34:28,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:34:28,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:34:28,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:34:28,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:34:27" (1/1) ... [2024-11-13 21:34:28,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:34:28,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:34:28,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:34:28,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:34:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:34:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:34:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 21:34:28,168 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 21:34:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 21:34:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 21:34:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:34:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:34:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:34:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:34:28,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:34:28,280 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:34:51,153 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:34:51,153 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:34:51,245 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:34:51,247 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:34:51,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:51 BoogieIcfgContainer [2024-11-13 21:34:51,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:34:51,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:34:51,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:34:51,261 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:34:51,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:34:51" (1/1) ... [2024-11-13 21:34:51,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:34:51,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2024-11-13 21:34:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-13 21:34:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:34:51,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:51,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:51,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:51,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:51,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:34:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:51,577 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:51,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:34:51,639 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:51,773 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:34:51,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:34:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:51,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 21:34:51,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 21:34:51,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:34:51,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:51,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:51,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:51,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:51,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:34:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:52,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:52,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:34:52,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:52,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:34:53,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2024-11-13 21:34:53,037 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-11-13 21:34:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:34:53,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:53,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:53,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:53,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:53,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:34:53,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:53,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:53,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 21:34:53,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:53,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 21:34:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-13 21:34:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-13 21:34:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:34:53,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:53,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:53,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:53,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:53,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:34:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:54,034 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:54,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:34:54,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:54,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 21:34:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-11-13 21:34:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-13 21:34:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 21:34:55,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:55,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:55,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:55,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:55,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 21:34:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:55,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:55,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:34:55,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:55,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 21:34:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2024-11-13 21:34:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2024-11-13 21:34:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:34:56,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:56,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:56,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:56,510 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:56,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 21:34:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:56,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:56,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 21:34:56,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:34:57,353 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:34:57,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 21:34:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2024-11-13 21:34:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2024-11-13 21:34:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:34:59,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:59,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:34:59,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:34:59,050 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:34:59,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 21:34:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:59,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:34:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:34:59,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 21:34:59,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:35:02,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 21:35:11,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2024-11-13 21:35:11,004 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2024-11-13 21:35:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:35:11,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:11,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:11,009 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:11,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 21:35:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:11,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:35:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:35:11,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 21:35:11,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:35:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:35:17,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 21:35:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:35:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 52 transitions. [2024-11-13 21:35:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2024-11-13 21:35:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:35:35,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:35:35,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:35:35,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:35:35,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:35:35,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618a7437-39cc-44d4-ae13-b33dba10b301/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process