./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/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_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/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 64bit --witnessprinter.graph.data.programhash 9506a8268da8ba959aa74c817924cd1b8074cd698df90d8631db597b26691d89 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:41:39,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:41:39,666 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:41:39,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:41:39,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:41:39,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:41:39,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:41:39,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:41:39,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:41:39,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:41:39,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:41:39,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:41:39,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:41:39,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:41:39,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:41:39,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:41:39,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:41:39,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:41:39,699 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:41:39,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:41:39,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:41:39,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:41:39,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:41:39,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:39,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:41:39,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:41:39,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:41:39,704 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:41:39,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:41:39,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:41:39,705 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_89739d7b-b042-4f2c-b912-94588483b669/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9506a8268da8ba959aa74c817924cd1b8074cd698df90d8631db597b26691d89 [2023-12-03 04:41:39,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:41:39,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:41:39,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:41:39,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:41:39,946 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:41:39,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c [2023-12-03 04:41:42,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:41:43,041 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:41:43,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c [2023-12-03 04:41:43,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data/ed8216c8e/2510cab65e3c40e3bc8dc32f501efe14/FLAGbff0c4bd6 [2023-12-03 04:41:43,075 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data/ed8216c8e/2510cab65e3c40e3bc8dc32f501efe14 [2023-12-03 04:41:43,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:41:43,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:41:43,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:43,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:41:43,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:41:43,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:43" (1/1) ... [2023-12-03 04:41:43,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467d1c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:43, skipping insertion in model container [2023-12-03 04:41:43,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:41:43" (1/1) ... [2023-12-03 04:41:43,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:41:43,354 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_89739d7b-b042-4f2c-b912-94588483b669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c[1171,1184] [2023-12-03 04:41:43,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:43,873 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:41:43,885 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_89739d7b-b042-4f2c-b912-94588483b669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c[1171,1184] [2023-12-03 04:41:44,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:41:44,221 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:41:44,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44 WrapperNode [2023-12-03 04:41:44,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:41:44,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:44,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:41:44,223 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:41:44,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:44,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:45,548 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 14485 [2023-12-03 04:41:45,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:41:45,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:41:45,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:41:45,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:41:45,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:45,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:45,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:45,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:46,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:46,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:46,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:46,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:46,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:41:46,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:41:46,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:41:46,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:41:46,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:41:44" (1/1) ... [2023-12-03 04:41:46,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:41:46,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:41:46,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:41:46,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:41:46,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:41:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:41:46,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:41:46,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:41:47,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:41:47,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:41:56,158 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:42:16,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:42:16,240 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:42:16,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:42:16 BoogieIcfgContainer [2023-12-03 04:42:16,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:42:16,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:42:16,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:42:16,249 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:42:16,249 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:42:16" (1/1) ... [2023-12-03 04:42:16,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:42:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:16,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:42:16,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:42:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:42:16,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:16,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:42:29,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:42:39,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 04:42:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:40,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:42:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:42:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:42:40,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:40,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:42:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:42:52,615 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) 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) [2023-12-03 04:42:52,619 INFO L158 Benchmark]: Toolchain (without parser) took 69539.17ms. Allocated memory was 140.5MB in the beginning and 6.0GB in the end (delta: 5.8GB). Free memory was 91.8MB in the beginning and 5.0GB in the end (delta: -4.9GB). Peak memory consumption was 923.9MB. Max. memory is 16.1GB. [2023-12-03 04:42:52,619 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:42:52,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1141.48ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 91.6MB in the beginning and 97.4MB in the end (delta: -5.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-12-03 04:42:52,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 1325.97ms. Allocated memory was 201.3MB in the beginning and 679.5MB in the end (delta: 478.2MB). Free memory was 97.4MB in the beginning and 426.0MB in the end (delta: -328.6MB). Peak memory consumption was 206.0MB. Max. memory is 16.1GB. [2023-12-03 04:42:52,621 INFO L158 Benchmark]: Boogie Preprocessor took 1175.60ms. Allocated memory is still 679.5MB. Free memory was 426.0MB in the beginning and 336.4MB in the end (delta: 89.6MB). Peak memory consumption was 191.3MB. Max. memory is 16.1GB. [2023-12-03 04:42:52,622 INFO L158 Benchmark]: RCFGBuilder took 29515.53ms. Allocated memory was 679.5MB in the beginning and 6.0GB in the end (delta: 5.3GB). Free memory was 336.4MB in the beginning and 5.3GB in the end (delta: -4.9GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-12-03 04:42:52,623 INFO L158 Benchmark]: CodeCheck took 36375.77ms. Allocated memory is still 6.0GB. Free memory was 5.3GB in the beginning and 5.0GB in the end (delta: 265.3MB). Peak memory consumption was 266.3MB. Max. memory is 16.1GB. [2023-12-03 04:42:52,627 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1141.48ms. Allocated memory was 140.5MB in the beginning and 201.3MB in the end (delta: 60.8MB). Free memory was 91.6MB in the beginning and 97.4MB in the end (delta: -5.8MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1325.97ms. Allocated memory was 201.3MB in the beginning and 679.5MB in the end (delta: 478.2MB). Free memory was 97.4MB in the beginning and 426.0MB in the end (delta: -328.6MB). Peak memory consumption was 206.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1175.60ms. Allocated memory is still 679.5MB. Free memory was 426.0MB in the beginning and 336.4MB in the end (delta: 89.6MB). Peak memory consumption was 191.3MB. Max. memory is 16.1GB. * RCFGBuilder took 29515.53ms. Allocated memory was 679.5MB in the beginning and 6.0GB in the end (delta: 5.3GB). Free memory was 336.4MB in the beginning and 5.3GB in the end (delta: -4.9GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 36375.77ms. Allocated memory is still 6.0GB. Free memory was 5.3GB in the beginning and 5.0GB in the end (delta: 265.3MB). Peak memory consumption was 266.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:42:52,844 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 04:42:52,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/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_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/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 64bit --witnessprinter.graph.data.programhash 9506a8268da8ba959aa74c817924cd1b8074cd698df90d8631db597b26691d89 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:42:54,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:42:54,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:42:54,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:42:54,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:42:54,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:42:54,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:42:54,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:42:54,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:42:54,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:42:54,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:42:54,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:42:54,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:42:54,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:42:54,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:42:54,950 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:42:54,951 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:42:54,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:42:54,952 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:42:54,952 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:42:54,953 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:42:54,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:42:54,954 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:54,954 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:42:54,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:42:54,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:54,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:42:54,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:42:54,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:42:54,957 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:42:54,958 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:54,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:42:54,958 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:42:54,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:42:54,959 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_89739d7b-b042-4f2c-b912-94588483b669/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9506a8268da8ba959aa74c817924cd1b8074cd698df90d8631db597b26691d89 [2023-12-03 04:42:55,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:42:55,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:42:55,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:42:55,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:42:55,281 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:42:55,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c [2023-12-03 04:42:58,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:42:58,431 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:42:58,431 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c [2023-12-03 04:42:58,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data/df688797b/02b7b13d0c7a474c8b50e41b7193dabd/FLAGd943c9753 [2023-12-03 04:42:58,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/data/df688797b/02b7b13d0c7a474c8b50e41b7193dabd [2023-12-03 04:42:58,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:42:58,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:42:58,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:42:58,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:42:58,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:42:58,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:42:58" (1/1) ... [2023-12-03 04:42:58,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7282dfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:58, skipping insertion in model container [2023-12-03 04:42:58,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:42:58" (1/1) ... [2023-12-03 04:42:58,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:42:58,751 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_89739d7b-b042-4f2c-b912-94588483b669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c[1171,1184] [2023-12-03 04:42:59,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:42:59,159 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:42:59,172 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_89739d7b-b042-4f2c-b912-94588483b669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.gear.2.prop2-func-interl.c[1171,1184] [2023-12-03 04:42:59,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:42:59,396 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:42:59,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59 WrapperNode [2023-12-03 04:42:59,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:42:59,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:42:59,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:42:59,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:42:59,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,583 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3645 [2023-12-03 04:42:59,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:42:59,584 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:42:59,584 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:42:59,585 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:42:59,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:42:59,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:42:59,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:42:59,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:42:59,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:42:59" (1/1) ... [2023-12-03 04:42:59,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:59,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:42:59,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:42:59,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:42:59,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:42:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:42:59,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:42:59,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:00,483 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:00,486 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:05,965 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:06,127 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:06,127 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:43:06,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:06 BoogieIcfgContainer [2023-12-03 04:43:06,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:06,129 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:06,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:06,137 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:06,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:06" (1/1) ... [2023-12-03 04:43:06,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:43:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:43:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:43:06,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:06,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:06,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:06,195 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:06,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:43:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:07,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:07,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:43:07,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:07,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:09,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:43:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:43:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:09,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:09,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:09,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:09,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:09,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:43:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:11,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:12,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 3111 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-03 04:43:12,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:13,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:13,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:43:15,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:17,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:43:21,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:21,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 04:43:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 04:43:21,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:43:21,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:21,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:21,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:21,910 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:21,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:43:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:25,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:26,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:43:26,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:44,817 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:44,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:44:51,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:45:48,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:45:59,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:46:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 18 states and 42 transitions. [2023-12-03 04:46:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 42 transitions. [2023-12-03 04:46:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:46:00,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:00,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:00,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:00,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:46:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:03,380 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:04,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:46:04,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:46:06,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:46:17,722 WARN L293 SmtUtils]: Spent 10.22s on a formula simplification that was a NOOP. DAG size: 361 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:50:13,140 WARN L293 SmtUtils]: Spent 2.26m on a formula simplification. DAG size of input: 363 DAG size of output: 362 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:50:29,356 WARN L293 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 362 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:50:30,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:52:26,050 WARN L293 SmtUtils]: Spent 56.61s on a formula simplification that was a NOOP. DAG size: 363 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:52:36,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:52:46,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:52:56,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:06,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:16,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:25,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.97s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:53:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:53:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:53:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:26,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:26,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:26,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:26,065 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:26,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:53:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:29,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:30,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:53:30,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:32,741 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:32,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:53:32,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:53:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:53:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:32,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:32,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:32,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:32,851 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:32,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:53:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:36,216 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:37,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:53:37,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:39,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:53:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:39,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:53:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:53:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:39,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:39,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:39,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:39,730 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:39,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:53:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:42,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:44,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:53:44,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:46,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-03 04:53:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:46,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:53:46,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:53:46,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:46,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:46,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:46,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:46,443 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:46,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:53:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:49,591 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:51,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:53:51,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:53,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:53:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:53:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:53:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:53,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:53,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:53,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:53,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:53,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:53:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:56,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:53:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:53:57,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:53:57,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:53:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:53:59,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:53:59,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:53:59,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:53:59,582 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:53:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:53:59,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:53:59,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:53:59,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:53:59,583 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:53:59,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:54:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:02,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:04,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:04,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:06,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:54:06,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:06,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:06,343 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:06,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:06,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:06,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:06,345 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:06,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:54:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:09,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:10,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:10,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:12,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-03 04:54:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:12,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:12,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:12,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:12,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:12,882 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:12,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:54:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:16,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:17,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:17,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:19,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:19,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:54:19,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:19,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:19,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:19,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:19,704 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:19,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:54:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:22,953 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:24,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:24,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:26,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:54:26,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:26,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:26,468 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:26,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:54:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:29,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:31,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:31,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:33,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:54:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:33,326 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:33,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:33,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:33,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:33,327 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:33,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:54:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:36,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:38,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:38,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:39,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:54:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:40,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:40,059 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:40,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:40,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:40,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:40,061 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:40,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:54:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:43,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:44,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:44,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:46,643 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:46,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:54:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:46,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:46,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:46,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:46,750 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:46,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:54:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:49,996 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:51,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:51,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:54:53,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:54:53,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:54:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:54:53,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:54:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:54:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:54:53,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:54:53,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:54:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:54:53,522 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:54:53,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:54:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:56,819 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:54:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:54:58,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:54:58,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:00,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 04:55:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:00,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:00,301 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:00,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:00,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:00,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:00,303 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:00,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:55:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:03,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:05,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:55:05,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:07,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:07,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:55:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:07,281 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:07,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:07,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:07,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:07,282 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:07,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:55:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:10,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:12,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:55:12,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:14,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:55:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:14,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:14,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:14,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:14,125 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:14,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:55:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:17,578 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:19,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:55:19,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:20,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:55:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:20,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:20,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:20,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:20,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:20,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:20,972 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:20,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:55:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:24,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:26,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:55:26,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:27,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:27,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:55:27,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:27,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:27,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:27,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:27,823 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:27,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:55:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:31,309 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:32,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:55:32,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:34,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:55:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:34,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:34,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:34,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:34,820 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:34,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:55:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:38,310 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:55:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:55:39,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 6003 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-03 04:55:39,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:55:41,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:55:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:55:41,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 19 states and 46 transitions. [2023-12-03 04:55:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 46 transitions. [2023-12-03 04:55:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:55:41,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:55:41,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:55:41,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:55:41,774 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:55:41,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89739d7b-b042-4f2c-b912-94588483b669/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process