./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:21,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:21,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:20:21,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:21,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:21,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:21,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:21,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:21,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:21,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:21,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:21,951 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:21,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:21,952 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:21,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:21,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:21,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:21,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:21,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:21,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:21,960 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:21,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:21,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:21,962 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:21,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:21,963 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:21,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:21,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:21,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:21,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:21,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:21,964 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:21,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:21,965 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f [2024-11-08 22:20:22,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:22,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:22,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:22,263 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:22,264 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:22,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i Unable to find full path for "g++" [2024-11-08 22:20:24,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:24,739 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:24,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i [2024-11-08 22:20:24,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data/586974452/6566e58ec7d345c9a137386d87e6deb0/FLAGf021b9f2f [2024-11-08 22:20:24,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data/586974452/6566e58ec7d345c9a137386d87e6deb0 [2024-11-08 22:20:24,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:24,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:24,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:24,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:24,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:24,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187e074d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:24, skipping insertion in model container [2024-11-08 22:20:24,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:24" (1/1) ... [2024-11-08 22:20:24,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:25,031 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-08 22:20:25,074 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-08 22:20:25,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:25,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:25,112 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-08 22:20:25,127 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-08 22:20:25,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:25,154 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:25,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25 WrapperNode [2024-11-08 22:20:25,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:25,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:25,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:25,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:25,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,181 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,208 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 78 [2024-11-08 22:20:25,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:25,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:25,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:25,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:25,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,226 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:25,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:25,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:25,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:25,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:25,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:25,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:25,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:20:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:20:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:20:25,325 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:20:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:20:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:20:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:20:25,427 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:25,432 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:25,721 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:25,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:25,806 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:25,806 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:20:25,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:25 BoogieIcfgContainer [2024-11-08 22:20:25,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:25,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:25,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:25,821 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:25,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:25" (1/1) ... [2024-11-08 22:20:25,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:25,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-08 22:20:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-08 22:20:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:20:25,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:25,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:26,289 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 22:20:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2024-11-08 22:20:26,379 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2024-11-08 22:20:26,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:20:26,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:26,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:26,597 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 22:20:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:26,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-08 22:20:26,781 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-08 22:20:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:20:26,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:26,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:26,875 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 22:20:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2024-11-08 22:20:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-08 22:20:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:20:26,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:26,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:27,291 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 22:20:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2024-11-08 22:20:27,749 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-08 22:20:27,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:20:27,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:27,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:28,113 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 22:20:28,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2024-11-08 22:20:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-11-08 22:20:28,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:20:28,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:28,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:28,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:20:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:28,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:20:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:28,992 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 22:20:29,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:20:29 ImpRootNode [2024-11-08 22:20:29,032 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:20:29,032 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:20:29,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:20:29,033 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:20:29,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:25" (3/4) ... [2024-11-08 22:20:29,037 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:20:29,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:20:29,041 INFO L158 Benchmark]: Toolchain (without parser) took 4268.91ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 135.2MB in the beginning and 179.2MB in the end (delta: -44.0MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-11-08 22:20:29,042 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:29,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.96ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 121.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:20:29,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.87ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 119.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:20:29,044 INFO L158 Benchmark]: Boogie Preprocessor took 34.46ms. Allocated memory is still 169.9MB. Free memory was 119.5MB in the beginning and 118.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:29,045 INFO L158 Benchmark]: RCFGBuilder took 562.61ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 100.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:20:29,046 INFO L158 Benchmark]: CodeCheck took 3223.30ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 179.2MB in the end (delta: -78.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:29,047 INFO L158 Benchmark]: Witness Printer took 6.90ms. Allocated memory is still 216.0MB. Free memory is still 179.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:29,053 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, 33 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 54 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 389 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/5 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 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 > -0.2f && IN < 0.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L100] CALL, EXPR f(IN) VAL [\old(x)=2] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) VAL [IN=2] [L100] CALL, EXPR fp(IN) VAL [\old(x)=2] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) VAL [IN=2] [L100] float x = IN - f(IN)/fp(IN); [L102] CALL, EXPR f(x) VAL [\old(x)=3] [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L102] RET, EXPR f(x) VAL [IN=2, x=3] [L102] CALL, EXPR fp(x) VAL [\old(x)=3] [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L102] RET, EXPR fp(x) VAL [IN=2, x=3] [L102] x = x - f(x)/fp(x) [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 0.26ms. Allocated memory is still 113.2MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.96ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 121.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.87ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 119.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.46ms. Allocated memory is still 169.9MB. Free memory was 119.5MB in the beginning and 118.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 562.61ms. Allocated memory is still 169.9MB. Free memory was 118.5MB in the beginning and 100.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3223.30ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 100.7MB in the beginning and 179.2MB in the end (delta: -78.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.90ms. Allocated memory is still 216.0MB. Free memory is still 179.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:20:29,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:31,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:32,020 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:20:32,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:32,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:32,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:32,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:32,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:32,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:32,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:32,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:20:32,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:20:32,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:32,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:32,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:32,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:32,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:20:32,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:20:32,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:32,115 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:20:32,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:20:32,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:32,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:32,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:32,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:32,121 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:32,122 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:32,122 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:20:32,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:32,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:32,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:32,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:32,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:32,125 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:20:32,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:32,125 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:20:32,126 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f3a518e2178ada847d08214b3921c5447bcf5e7ad9d30e9f833babec7755c7f [2024-11-08 22:20:32,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:32,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:32,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:32,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:32,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:32,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_4+newton_2_1.i Unable to find full path for "g++" [2024-11-08 22:20:35,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:35,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:35,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i [2024-11-08 22:20:35,589 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data/dc9a5ac2e/fc3e4108cc9b47dd96e4cba4b2cec198/FLAG7ef717d39 [2024-11-08 22:20:35,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/data/dc9a5ac2e/fc3e4108cc9b47dd96e4cba4b2cec198 [2024-11-08 22:20:35,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:35,612 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:35,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:35,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:35,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:35,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:35" (1/1) ... [2024-11-08 22:20:35,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f13e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:35, skipping insertion in model container [2024-11-08 22:20:35,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:35" (1/1) ... [2024-11-08 22:20:35,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:35,931 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-08 22:20:35,976 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-08 22:20:35,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:35,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:36,034 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[1224,1237] [2024-11-08 22:20:36,065 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_f95df303-ec4a-4f87-b5bf-b67926a4bb68/sv-benchmarks/c/combinations/gcd_4+newton_2_1.i[2827,2840] [2024-11-08 22:20:36,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:36,106 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:36,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36 WrapperNode [2024-11-08 22:20:36,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:36,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:36,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:36,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:36,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,200 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2024-11-08 22:20:36,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:36,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:36,205 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:36,205 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:36,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,246 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,263 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:36,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:36,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:36,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:36,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:36" (1/1) ... [2024-11-08 22:20:36,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:36,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:36,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:36,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:20:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:20:36,406 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:20:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:20:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:20:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:20:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:20:36,529 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:36,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:58,053 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:58,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:58,141 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:58,141 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:20:58,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:58 BoogieIcfgContainer [2024-11-08 22:20:58,142 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:58,143 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:58,143 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:58,157 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:58,157 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:58" (1/1) ... [2024-11-08 22:20:58,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:58,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2024-11-08 22:20:58,242 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2024-11-08 22:20:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:20:58,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:58,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:58,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:58,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:58,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:20:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:58,512 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:58,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:20:58,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:58,720 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 22:20:58,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:20:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2024-11-08 22:20:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2024-11-08 22:20:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:20:58,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:58,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:58,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:58,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:58,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:20:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:59,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:59,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:20:59,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:59,318 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 22:20:59,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:00,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-08 22:21:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-08 22:21:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:21:00,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:00,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:00,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:00,039 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:00,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:21:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:00,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:00,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:21:00,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:00,318 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 22:21:00,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:21:00,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2024-11-08 22:21:00,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2024-11-08 22:21:00,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:21:00,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:00,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:00,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:00,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:00,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:21:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:00,847 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:00,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 22:21:00,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:01,102 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 22:21:01,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:02,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-08 22:21:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-08 22:21:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:21:02,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:02,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:02,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:02,055 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:02,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:21:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:02,267 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:02,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:21:02,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:02,768 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 22:21:02,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:21:04,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2024-11-08 22:21:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-08 22:21:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:21:04,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:04,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:04,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:04,135 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:04,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f95df303-ec4a-4f87-b5bf-b67926a4bb68/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process