./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/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_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/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_4608c44a-75a8-49da-ad88-2220bb3cec44/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 fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:56:59,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:57:00,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:57:00,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:57:00,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:57:00,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:57:00,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:57:00,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:57:00,123 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:57:00,124 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:57:00,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:57:00,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:57:00,125 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:57:00,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:57:00,126 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:57:00,126 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:57:00,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:57:00,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:57:00,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:57:00,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:57:00,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:57:00,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:57:00,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:57:00,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:57:00,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:57:00,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:57:00,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:57:00,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:00,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:57:00,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:57:00,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:57:00,151 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:57:00,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:57:00,153 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_4608c44a-75a8-49da-ad88-2220bb3cec44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 [2024-11-08 22:57:00,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:57:00,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:57:00,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:57:00,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:57:00,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:57:00,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i Unable to find full path for "g++" [2024-11-08 22:57:03,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:57:03,316 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:57:03,316 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i [2024-11-08 22:57:03,328 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data/8183b1270/66731258fd7142138f71417994f5cc9a/FLAG0c12ef055 [2024-11-08 22:57:03,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data/8183b1270/66731258fd7142138f71417994f5cc9a [2024-11-08 22:57:03,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:57:03,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:57:03,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:03,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:57:03,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:57:03,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:03" (1/1) ... [2024-11-08 22:57:03,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fca3a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:03, skipping insertion in model container [2024-11-08 22:57:03,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:03" (1/1) ... [2024-11-08 22:57:03,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:57:03,972 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-08 22:57:04,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-08 22:57:04,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:04,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:57:04,040 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-08 22:57:04,062 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-08 22:57:04,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:04,085 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:57:04,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04 WrapperNode [2024-11-08 22:57:04,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:04,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:04,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:57:04,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:57:04,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,138 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 90 [2024-11-08 22:57:04,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:04,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:57:04,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:57:04,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:57:04,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:57:04,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:57:04,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:57:04,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:57:04,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:04,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:57:04,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:57:04,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:57:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:57:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:57:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:57:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:57:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:57:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:57:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:57:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:57:04,389 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:57:04,392 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:57:04,790 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 22:57:04,790 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:57:04,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:57:04,926 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:57:04,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:04 BoogieIcfgContainer [2024-11-08 22:57:04,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:57:04,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:57:04,928 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:57:04,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:57:04,948 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:04" (1/1) ... [2024-11-08 22:57:04,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:57:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 22:57:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 22:57:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:57:05,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:05,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:05,516 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 22:57:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:05,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 22:57:05,630 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 22:57:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:57:05,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:05,754 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 22:57:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 22:57:05,815 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 22:57:05,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:57:05,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:05,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:06,293 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 22:57:06,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-08 22:57:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 22:57:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:57:06,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:06,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:57:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:16,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:57:16,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:57:35,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.48s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:57:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-08 22:57:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-08 22:57:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:57:40,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:40,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:57:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:46,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 22:57:46,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:57:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:57:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 22:57:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 22:57:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:57:58,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:58,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:58,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:57:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:58,262 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:57:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:58,320 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2024-11-08 22:57:58,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:57:58 ImpRootNode [2024-11-08 22:57:58,372 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:57:58,373 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:57:58,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:57:58,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:57:58,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:04" (3/4) ... [2024-11-08 22:57:58,379 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:57:58,381 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:57:58,383 INFO L158 Benchmark]: Toolchain (without parser) took 54705.37ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 119.4MB in the beginning and 151.4MB in the end (delta: -32.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-08 22:57:58,385 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:58,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.01ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 105.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:57:58,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.72ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:58,389 INFO L158 Benchmark]: Boogie Preprocessor took 33.19ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 102.1MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:57:58,389 INFO L158 Benchmark]: RCFGBuilder took 753.12ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 83.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:57:58,391 INFO L158 Benchmark]: CodeCheck took 53444.93ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 83.8MB in the beginning and 151.4MB in the end (delta: -67.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:58,392 INFO L158 Benchmark]: Witness Printer took 8.49ms. Allocated memory is still 205.5MB. Free memory is still 151.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:58,395 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 3 procedures, 30 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 53.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 21.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 21.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 30 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 335 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 640 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 15.3s SatisfiabilityAnalysisTime, 17.6s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 41 ConstructedInterpolants, 4 QuantifiedInterpolants, 362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 148 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 6/9 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: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 97. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [L93] CALL, EXPR f(IN) VAL [\old(x)=2] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) VAL [IN=2] [L93] CALL, EXPR fp(IN) VAL [\old(x)=2] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) VAL [IN=2] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=3] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L95] RET, EXPR f(x) VAL [IN=2, x=3] [L95] CALL, EXPR fp(x) VAL [\old(x)=3] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L95] RET, EXPR fp(x) VAL [IN=2, x=3] [L95] x = x - f(x)/fp(x) [L97] CALL, EXPR f(x) VAL [\old(x)=4] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L97] RET, EXPR f(x) VAL [IN=2, x=4] [L97] CALL, EXPR fp(x) VAL [\old(x)=4] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L97] RET, EXPR fp(x) VAL [IN=2, x=4] [L97] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=2] [L102] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 159.4MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.01ms. Allocated memory is still 159.4MB. Free memory was 119.4MB in the beginning and 105.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.72ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 103.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.19ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 102.1MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 753.12ms. Allocated memory is still 159.4MB. Free memory was 102.1MB in the beginning and 83.8MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 53444.93ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 83.8MB in the beginning and 151.4MB in the end (delta: -67.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.49ms. Allocated memory is still 205.5MB. Free memory is still 151.4MB. 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 22:57:58,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/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_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/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_4608c44a-75a8-49da-ad88-2220bb3cec44/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 fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:58:00,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:58:01,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:58:01,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:58:01,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:58:01,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:58:01,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:58:01,099 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:58:01,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:58:01,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:58:01,100 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:58:01,101 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:58:01,101 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:58:01,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:58:01,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:58:01,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:58:01,106 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:58:01,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:58:01,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:58:01,107 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:58:01,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:58:01,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:58:01,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:58:01,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:58:01,113 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:58:01,113 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:58:01,113 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:01,113 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:58:01,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:58:01,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:01,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:58:01,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:58:01,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:58:01,118 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:58:01,118 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:01,119 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:58:01,119 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_4608c44a-75a8-49da-ad88-2220bb3cec44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb60664eb219cfca617a3a97a655d40aa192b004d90693207c446e4cc68b6381 [2024-11-08 22:58:01,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:58:01,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:58:01,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:58:01,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:58:01,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:58:01,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/combinations/gcd_1+newton_3_8.i Unable to find full path for "g++" [2024-11-08 22:58:03,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:58:04,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:58:04,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i [2024-11-08 22:58:04,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data/1590d6cc2/aa9a5edff27c429982d392cf678eac0a/FLAG398e5a0a2 [2024-11-08 22:58:04,134 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/data/1590d6cc2/aa9a5edff27c429982d392cf678eac0a [2024-11-08 22:58:04,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:58:04,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:58:04,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:04,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:58:04,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:58:04,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110c0a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04, skipping insertion in model container [2024-11-08 22:58:04,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:58:04,413 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-08 22:58:04,461 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-08 22:58:04,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:04,489 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:58:04,510 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[1226,1239] [2024-11-08 22:58:04,532 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_4608c44a-75a8-49da-ad88-2220bb3cec44/sv-benchmarks/c/combinations/gcd_1+newton_3_8.i[2828,2841] [2024-11-08 22:58:04,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:04,560 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:58:04,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04 WrapperNode [2024-11-08 22:58:04,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:04,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:04,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:58:04,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:58:04,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,623 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-08 22:58:04,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:04,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:58:04,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:58:04,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:58:04,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:58:04,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:58:04,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:58:04,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:58:04,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:04,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:04,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:04,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:04,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:58:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:58:04,800 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-08 22:58:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-08 22:58:04,801 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 22:58:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 22:58:04,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:04,965 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:04,968 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:32,404 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:32,404 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:32,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:32,538 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:58:32,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:32 BoogieIcfgContainer [2024-11-08 22:58:32,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:32,540 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:32,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:32,554 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:32,554 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:32" (1/1) ... [2024-11-08 22:58:32,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:32,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-08 22:58:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-08 22:58:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:58:32,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:32,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:32,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:32,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:32,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:58:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:58:33,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:33,268 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 22:58:33,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:58:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2024-11-08 22:58:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-08 22:58:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:58:33,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:33,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:33,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:33,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:33,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:58:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:33,650 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:33,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 22:58:33,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:33,832 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 22:58:33,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:58:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-08 22:58:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-08 22:58:34,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:58:34,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:34,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:34,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:34,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:34,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:58:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:34,541 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:34,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:58:34,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:35,307 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 22:58:35,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 22:58:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 48 transitions. [2024-11-08 22:58:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-08 22:58:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:58:38,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:38,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:38,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:38,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:38,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:58:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:39,499 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:42,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 22:58:42,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:53,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:53,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:01,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:59:07,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:59:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-08 22:59:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-08 22:59:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 22:59:08,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:08,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:08,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:08,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:08,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:59:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:09,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:13,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:59:13,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:23,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:25,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2024-11-08 22:59:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 22:59:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 22:59:25,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:25,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:25,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:25,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:25,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4608c44a-75a8-49da-ad88-2220bb3cec44/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process