./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9 --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 3c7e4faaabab9b2f322684d2701654a5044e8a4a6ec20b8d467b524bec442165 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:09:48,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:09:48,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:09:48,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:09:48,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:09:48,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:09:48,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:09:48,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:09:48,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:09:48,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:09:48,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:09:48,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:09:48,989 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:09:48,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:09:48,990 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:09:48,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:09:48,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:09:48,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:09:48,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:09:48,992 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:09:48,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:09:48,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:09:48,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:09:48,994 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:09:48,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:09:48,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:09:48,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:09:48,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:09:48,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:09:48,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:09:48,996 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:09:48,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:09:48,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:09:48,997 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7e4faaabab9b2f322684d2701654a5044e8a4a6ec20b8d467b524bec442165 [2023-12-02 22:09:49,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:09:49,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:09:49,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:09:49,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:09:49,279 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:09:49,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i [2023-12-02 22:09:52,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:09:52,385 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:09:52,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i [2023-12-02 22:09:52,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data/cc1093a27/8939028da4254d43817952f3891a06ae/FLAG54b9af11a [2023-12-02 22:09:52,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data/cc1093a27/8939028da4254d43817952f3891a06ae [2023-12-02 22:09:52,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:09:52,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:09:52,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:09:52,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:09:52,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:09:52,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a10c9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52, skipping insertion in model container [2023-12-02 22:09:52,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:09:52,571 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[1226,1239] [2023-12-02 22:09:52,596 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[2862,2875] [2023-12-02 22:09:52,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:09:52,609 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:09:52,621 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[1226,1239] [2023-12-02 22:09:52,633 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[2862,2875] [2023-12-02 22:09:52,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:09:52,649 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:09:52,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52 WrapperNode [2023-12-02 22:09:52,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:09:52,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:09:52,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:09:52,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:09:52,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,688 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 93 [2023-12-02 22:09:52,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:09:52,689 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:09:52,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:09:52,690 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:09:52,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,711 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:09:52,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:09:52,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:09:52,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:09:52,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:09:52" (1/1) ... [2023-12-02 22:09:52,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:09:52,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:09:52,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:09:52,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:09:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:09:52,793 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 22:09:52,793 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 22:09:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 22:09:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 22:09:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:09:52,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:09:52,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:09:52,860 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:09:52,862 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:09:53,033 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:09:53,090 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:09:53,091 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:09:53,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:53 BoogieIcfgContainer [2023-12-02 22:09:53,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:09:53,094 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:09:53,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:09:53,102 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:09:53,102 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:09:53" (1/1) ... [2023-12-02 22:09:53,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:09:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-12-02 22:09:53,197 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-12-02 22:09:53,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:09:53,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:53,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:09:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:53,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-12-02 22:09:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-12-02 22:09:53,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:09:53,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:53,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:09:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:53,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:09:53,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2023-12-02 22:09:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-12-02 22:09:54,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:09:54,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:54,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:09:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:54,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:09:54,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:58,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:10:11,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 22:10:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:10:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-12-02 22:10:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-12-02 22:10:12,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:10:12,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:10:12,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:10:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:10:12,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 22:10:12,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:10:32,956 WARN L876 $PredicateComparison]: unable to prove that (and (let ((.cse5 (<= (+ |c_ULTIMATE.start_gcd_test_~a#1| 1) 0)) (.cse6 (= |c_ULTIMATE.start_gcd_test_~b#1| 0)) (.cse3 (<= 0 |c_ULTIMATE.start_gcd_test_~a#1|)) (.cse10 (+ |c_ULTIMATE.start_gcd_test_~b#1| 256)) (.cse0 (+ |c_ULTIMATE.start_gcd_test_~a#1| 256)) (.cse14 (* |c_ULTIMATE.start_main1_~y~0#1| 255))) (or (and (<= (+ |c_ULTIMATE.start_main1_~y~0#1| 1) 0) (let ((.cse8 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse17 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_28|) (<= 128 .cse17) (= .cse17 .cse10))))) (.cse2 (mod .cse14 256))) (or (and (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (let ((.cse1 (mod |v_ULTIMATE.start_gcd_test_~a#1_27| .cse2))) (and (= .cse0 (mod (+ |c_ULTIMATE.start_main1_~y~0#1| .cse1) 256)) (not (= .cse1 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_27| 1) 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_27| .cse2) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_27|)))) (let ((.cse4 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse7 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= .cse2 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse7) (<= .cse7 127)))) .cse8))) (or (and .cse3 .cse4) (and .cse5 .cse4) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (<= .cse2 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) .cse6))) (not (= .cse2 0)) (<= .cse2 127)) (and (let ((.cse11 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse13 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_28|) (= |c_ULTIMATE.start_gcd_test_~b#1| .cse13) (<= .cse13 127)))) .cse8))) (or (and .cse3 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse9 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ (* |c_ULTIMATE.start_gcd_test_~a#1| 255) .cse9) 256) .cse10) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_28| 1) 0) (not (= .cse9 0)) (<= .cse2 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_28|)))))) (and .cse5 .cse11) (and .cse5 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse12 (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|))) (and (= (mod (+ |c_ULTIMATE.start_gcd_test_~a#1| .cse12) 256) .cse10) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_28| 1) 0) (not (= .cse12 0)) (<= .cse2 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_28|)))))) (and .cse3 .cse11) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (<= .cse2 (+ 256 |v_ULTIMATE.start_gcd_test_~a#1_28|)) (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 0))) .cse6))) (let ((.cse16 (+ .cse2 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (let ((.cse15 (mod |v_ULTIMATE.start_gcd_test_~a#1_27| .cse16))) (and (= .cse0 (mod (+ .cse14 .cse15) 256)) (not (= .cse15 0)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_27| 1) 0)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (and (= |c_ULTIMATE.start_gcd_test_~a#1| (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_27| .cse16) 256)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_27|))))) (<= 128 .cse2))))) (and (not (= |c_ULTIMATE.start_main1_~y~0#1| 0)) (<= 0 |c_ULTIMATE.start_main1_~y~0#1|) (let ((.cse18 (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse19 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (<= 128 .cse19) (= .cse19 .cse10) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|)))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (let ((.cse20 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~b#1| .cse20) (<= .cse20 127) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|))))))) (or (and .cse18 .cse5) (and .cse6 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| Int)) (and (= (mod |v_ULTIMATE.start_gcd_test_~a#1_28| |c_ULTIMATE.start_gcd_test_~a#1|) 0) (<= |c_ULTIMATE.start_main1_~y~0#1| |v_ULTIMATE.start_gcd_test_~a#1_28|)))) (and .cse18 .cse3))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (let ((.cse21 (mod |v_ULTIMATE.start_gcd_test_~a#1_27| |c_ULTIMATE.start_main1_~y~0#1|))) (let ((.cse22 (mod (+ .cse14 .cse21) 256))) (and (not (= .cse21 0)) (= .cse0 .cse22) (<= 128 .cse22) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_27| 1) 0))))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (let ((.cse23 (mod (mod |v_ULTIMATE.start_gcd_test_~a#1_27| |c_ULTIMATE.start_main1_~y~0#1|) 256))) (and (= |c_ULTIMATE.start_gcd_test_~a#1| .cse23) (<= .cse23 127) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_27|)))))))) (not (= |c_ULTIMATE.start_gcd_test_~a#1| 0))) is different from true [2023-12-02 22:12:41,119 WARN L293 SmtUtils]: Spent 2.02m on a formula simplification. DAG size of input: 110 DAG size of output: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:12:41,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-12-02 22:15:17,573 WARN L293 SmtUtils]: Spent 52.48s on a formula simplification. DAG size of input: 143 DAG size of output: 116 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:15:45,576 WARN L293 SmtUtils]: Spent 22.50s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:15:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:15:45,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-12-02 22:15:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-12-02 22:15:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:15:45,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:15:45,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:15:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:15:45,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:15:45,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:18:00,288 WARN L293 SmtUtils]: Spent 54.20s on a formula simplification. DAG size of input: 127 DAG size of output: 59 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:18:34,990 WARN L293 SmtUtils]: Spent 25.56s on a formula simplification. DAG size of input: 59 DAG size of output: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:19:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:19:55,716 WARN L293 SmtUtils]: Spent 11.12s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:20:25,329 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:20:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:20:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2023-12-02 22:20:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2023-12-02 22:20:45,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:20:45,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:20:45,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:20:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:20:45,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:20:45,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:20:59,630 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:20:59,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 139 [2023-12-02 22:20:59,633 INFO L158 Benchmark]: Toolchain (without parser) took 667221.57ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 128.2MB in the beginning and 53.7MB in the end (delta: 74.5MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2023-12-02 22:20:59,634 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 113.2MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:20:59,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.16ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 116.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:20:59,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.99ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 114.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:20:59,635 INFO L158 Benchmark]: Boogie Preprocessor took 26.33ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:20:59,636 INFO L158 Benchmark]: RCFGBuilder took 376.22ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 96.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:20:59,637 INFO L158 Benchmark]: CodeCheck took 666538.99ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 96.9MB in the beginning and 53.7MB in the end (delta: 43.2MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2023-12-02 22:20:59,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 113.2MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.16ms. Allocated memory is still 159.4MB. Free memory was 128.2MB in the beginning and 116.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.99ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 114.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.33ms. Allocated memory is still 159.4MB. Free memory was 114.3MB in the beginning and 113.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 376.22ms. Allocated memory is still 159.4MB. Free memory was 113.0MB in the beginning and 96.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 666538.99ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 96.9MB in the beginning and 53.7MB in the end (delta: 43.2MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9 --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 3c7e4faaabab9b2f322684d2701654a5044e8a4a6ec20b8d467b524bec442165 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:21:01,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:21:01,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 22:21:01,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:21:01,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:21:01,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:21:01,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:21:01,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:21:01,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:21:01,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:21:01,419 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:21:01,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:21:01,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:21:01,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:21:01,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:21:01,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:21:01,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:21:01,422 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:21:01,423 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:21:01,423 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:21:01,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:21:01,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:21:01,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:21:01,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:21:01,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:21:01,426 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:01,427 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:21:01,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:21:01,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:21:01,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:21:01,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:21:01,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:21:01,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:21:01,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:01,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:21:01,431 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:21:01,431 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:21:01,431 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7e4faaabab9b2f322684d2701654a5044e8a4a6ec20b8d467b524bec442165 [2023-12-02 22:21:01,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:21:01,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:21:01,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:21:01,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:21:01,728 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:21:01,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/combinations/gcd_2+newton_3_5.i [2023-12-02 22:21:04,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:21:04,720 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:21:04,721 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i [2023-12-02 22:21:04,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data/4c8380afe/9edd05b9720a4e34ac50c5ba7862f2e0/FLAGd9fe09cad [2023-12-02 22:21:04,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/data/4c8380afe/9edd05b9720a4e34ac50c5ba7862f2e0 [2023-12-02 22:21:04,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:21:04,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:21:04,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:21:04,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:21:04,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:21:04,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:04" (1/1) ... [2023-12-02 22:21:04,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d0d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:04, skipping insertion in model container [2023-12-02 22:21:04,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:21:04" (1/1) ... [2023-12-02 22:21:04,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:21:04,921 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[1226,1239] [2023-12-02 22:21:04,947 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[2862,2875] [2023-12-02 22:21:04,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:04,963 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:21:04,976 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[1226,1239] [2023-12-02 22:21:04,990 WARN L240 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_c3c42dfd-4fbf-45da-8b16-22064b53211a/sv-benchmarks/c/combinations/gcd_2+newton_3_5.i[2862,2875] [2023-12-02 22:21:04,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:21:05,008 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:21:05,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05 WrapperNode [2023-12-02 22:21:05,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:21:05,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:21:05,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:21:05,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:21:05,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,047 INFO L138 Inliner]: procedures = 28, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 88 [2023-12-02 22:21:05,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:21:05,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:21:05,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:21:05,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:21:05,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,078 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:21:05,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:21:05,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:21:05,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:21:05,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:21:05" (1/1) ... [2023-12-02 22:21:05,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:21:05,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:21:05,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:21:05,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:21:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:21:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:21:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-12-02 22:21:05,154 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-12-02 22:21:05,154 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-12-02 22:21:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-12-02 22:21:05,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:21:05,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:21:05,224 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:21:05,226 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:21:27,275 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:21:27,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:21:27,322 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:21:27,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:21:27 BoogieIcfgContainer [2023-12-02 22:21:27,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:21:27,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:21:27,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:21:27,343 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:21:27,343 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:21:27" (1/1) ... [2023-12-02 22:21:27,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:21:27,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2023-12-02 22:21:27,399 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2023-12-02 22:21:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:21:27,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:27,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:27,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:27,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:27,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:21:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:27,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:27,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:21:27,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:27,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:27,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:21:28,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-12-02 22:21:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-12-02 22:21:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:21:28,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:28,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:28,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:28,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:21:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:28,547 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:28,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:21:28,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:29,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:29,229 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 22:21:29,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:21:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:21:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2023-12-02 22:21:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2023-12-02 22:21:31,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 22:21:31,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:21:31,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:21:31,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:21:31,583 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:21:31,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:21:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:31,884 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:21:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:21:31,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:21:31,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:21:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:21:38,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:22:01,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:04,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:16,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:18,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:22:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:22:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2023-12-02 22:22:19,195 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2023-12-02 22:22:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:22:19,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:22:19,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:22:19,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:22:19,197 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:22:19,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:22:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:19,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:22:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:22:20,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:22:20,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:22:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:22:57,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3c42dfd-4fbf-45da-8b16-22064b53211a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:23:24,886 WARN L293 SmtUtils]: Spent 16.88s on a formula simplification. DAG size of input: 56 DAG size of output: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:23:49,387 WARN L293 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:24:26,925 WARN L293 SmtUtils]: Spent 10.63s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:24:42,168 WARN L293 SmtUtils]: Spent 9.47s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:24:52,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]