./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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 856e6aab24b83ec6fbb4b8c1f94ccec63f8205a6d5b05d690d2115b44499e4fb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:16:03,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:16:03,161 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:16:03,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:16:03,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:16:03,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:16:03,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:16:03,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:16:03,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:16:03,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:16:03,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:16:03,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:16:03,193 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:16:03,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:16:03,194 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:16:03,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:16:03,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:16:03,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:16:03,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:16:03,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:16:03,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:16:03,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:16:03,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:16:03,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:03,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:16:03,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:16:03,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:16:03,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:16:03,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:16:03,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:16:03,202 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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856e6aab24b83ec6fbb4b8c1f94ccec63f8205a6d5b05d690d2115b44499e4fb [2023-12-02 21:16:03,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:16:03,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:16:03,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:16:03,457 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:16:03,458 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:16:03,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c [2023-12-02 21:16:06,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:06,905 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:06,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c [2023-12-02 21:16:06,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data/3f5386f01/7b994ba67b0840fd9f8a7a5c4c9ba315/FLAG193960123 [2023-12-02 21:16:06,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data/3f5386f01/7b994ba67b0840fd9f8a7a5c4c9ba315 [2023-12-02 21:16:06,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:06,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:06,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:06,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:06,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:06,984 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:06" (1/1) ... [2023-12-02 21:16:06,985 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1299f594 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:06, skipping insertion in model container [2023-12-02 21:16:06,985 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:06" (1/1) ... [2023-12-02 21:16:07,220 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:07,508 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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c[1179,1192] [2023-12-02 21:16:08,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:08,652 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:08,691 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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c[1179,1192] [2023-12-02 21:16:09,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:09,597 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:09,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09 WrapperNode [2023-12-02 21:16:09,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:09,599 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:09,599 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:09,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:09,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:09,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:13,267 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48912 [2023-12-02 21:16:13,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:13,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:13,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:13,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:13,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:13,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:14,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:14,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:14,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:14,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:15,208 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:15,352 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:16,268 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:16,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:16,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:16,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:16,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:09" (1/1) ... [2023-12-02 21:16:16,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:16,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:16,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:16,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:16,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:16,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:16,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:18,158 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:18,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:42,286 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:18:57,366 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:18:57,366 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:18:57,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:57 BoogieIcfgContainer [2023-12-02 21:18:57,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:18:57,369 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:18:57,370 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:18:57,378 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:18:57,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:18:57" (1/1) ... [2023-12-02 21:18:57,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:18:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:18:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:18:57,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:18:57,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:19:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:19:21,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:19:31,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:19:33,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:19:33,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:19:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:19:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:19:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:19:33,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:19:33,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:19:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:19:51,423 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) [2023-12-02 21:19:51,426 INFO L158 Benchmark]: Toolchain (without parser) took 224451.24ms. Allocated memory was 174.1MB in the beginning and 13.3GB in the end (delta: 13.1GB). Free memory was 106.8MB in the beginning and 10.1GB in the end (delta: -10.0GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2023-12-02 21:19:51,427 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:19:51,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2621.36ms. Allocated memory was 174.1MB in the beginning and 545.3MB in the end (delta: 371.2MB). Free memory was 106.8MB in the beginning and 305.5MB in the end (delta: -198.7MB). Peak memory consumption was 238.1MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 3668.60ms. Allocated memory was 545.3MB in the beginning and 4.3GB in the end (delta: 3.8GB). Free memory was 305.5MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 610.3MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,429 INFO L158 Benchmark]: Boogie Preprocessor took 3000.64ms. Allocated memory is still 4.3GB. Free memory was 3.5GB in the beginning and 3.3GB in the end (delta: 214.3MB). Peak memory consumption was 360.0MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,430 INFO L158 Benchmark]: RCFGBuilder took 161098.61ms. Allocated memory was 4.3GB in the beginning and 13.1GB in the end (delta: 8.8GB). Free memory was 3.3GB in the beginning and 10.3GB in the end (delta: -7.0GB). Peak memory consumption was 7.0GB. Max. memory is 16.1GB. [2023-12-02 21:19:51,430 INFO L158 Benchmark]: CodeCheck took 54056.10ms. Allocated memory was 13.1GB in the beginning and 13.3GB in the end (delta: 182.5MB). Free memory was 10.3GB in the beginning and 10.1GB in the end (delta: 135.9MB). Peak memory consumption was 638.1MB. Max. memory is 16.1GB. [2023-12-02 21:19:51,433 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 0.21ms. Allocated memory is still 117.4MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2621.36ms. Allocated memory was 174.1MB in the beginning and 545.3MB in the end (delta: 371.2MB). Free memory was 106.8MB in the beginning and 305.5MB in the end (delta: -198.7MB). Peak memory consumption was 238.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3668.60ms. Allocated memory was 545.3MB in the beginning and 4.3GB in the end (delta: 3.8GB). Free memory was 305.5MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 610.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3000.64ms. Allocated memory is still 4.3GB. Free memory was 3.5GB in the beginning and 3.3GB in the end (delta: 214.3MB). Peak memory consumption was 360.0MB. Max. memory is 16.1GB. * RCFGBuilder took 161098.61ms. Allocated memory was 4.3GB in the beginning and 13.1GB in the end (delta: 8.8GB). Free memory was 3.3GB in the beginning and 10.3GB in the end (delta: -7.0GB). Peak memory consumption was 7.0GB. Max. memory is 16.1GB. * CodeCheck took 54056.10ms. Allocated memory was 13.1GB in the beginning and 13.3GB in the end (delta: 182.5MB). Free memory was 10.3GB in the beginning and 10.1GB in the end (delta: 135.9MB). Peak memory consumption was 638.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:19:51,648 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:19:51,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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 856e6aab24b83ec6fbb4b8c1f94ccec63f8205a6d5b05d690d2115b44499e4fb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:19:54,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:19:54,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:19:54,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:19:54,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:19:54,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:19:54,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:19:54,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:19:54,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:19:54,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:19:54,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:19:54,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:19:54,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:19:54,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:19:54,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:19:54,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:19:54,130 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:19:54,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:19:54,131 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:19:54,131 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:19:54,132 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:19:54,132 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:19:54,133 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:54,133 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:19:54,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:19:54,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:54,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:19:54,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:19:54,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:19:54,136 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:19:54,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:19:54,137 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:19:54,137 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:19:54,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:19:54,138 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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 856e6aab24b83ec6fbb4b8c1f94ccec63f8205a6d5b05d690d2115b44499e4fb [2023-12-02 21:19:54,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:19:54,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:19:54,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:19:54,475 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:19:54,475 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:19:54,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c [2023-12-02 21:19:57,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:19:57,763 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:19:57,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c [2023-12-02 21:19:57,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data/cc573612a/987e7f72a8104be681b87256c14cbd40/FLAG31d18af1a [2023-12-02 21:19:57,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/data/cc573612a/987e7f72a8104be681b87256c14cbd40 [2023-12-02 21:19:57,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:19:57,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:19:57,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:57,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:19:57,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:19:57,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:57" (1/1) ... [2023-12-02 21:19:57,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7012dbed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:57, skipping insertion in model container [2023-12-02 21:19:57,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:57" (1/1) ... [2023-12-02 21:19:58,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:19:58,374 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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c[1179,1192] [2023-12-02 21:19:59,265 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:59,274 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:19:59,283 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_7151a21f-7c2e-4b97-90d9-eee40dc89db6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.4.prop6-func-interl.c[1179,1192] [2023-12-02 21:19:59,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:59,975 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:19:59,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59 WrapperNode [2023-12-02 21:19:59,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:59,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:59,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:19:59,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:19:59,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:00,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:00,661 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13429 [2023-12-02 21:20:00,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:20:00,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:20:00,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:20:00,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:20:00,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:00,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:00,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:00,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:01,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:01,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:01,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:01,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:01,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:20:01,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:20:01,188 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:20:01,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:20:01,189 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:59" (1/1) ... [2023-12-02 21:20:01,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:20:01,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:20:01,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:20:01,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:20:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:20:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:20:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:20:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:20:02,807 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:20:02,810 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:21:18,619 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:21:19,144 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:21:19,144 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:21:19,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:19 BoogieIcfgContainer [2023-12-02 21:21:19,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:21:19,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:21:19,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:21:19,154 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:21:19,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:21:19" (1/1) ... [2023-12-02 21:21:19,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:21:19,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:21:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:21:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:21:19,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:19,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:19,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:19,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:19,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:21:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:22,236 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:22,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:21:22,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:21:23,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:21:33,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:21:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:21:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:21:33,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:33,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:33,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:33,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:33,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:21:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:41,851 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:45,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:21:45,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:21:47,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:21:58,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:09,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:20,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:35,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:22:47,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:22:48,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:22:54,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:22:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:22:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:22:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:22:55,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:22:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:22:55,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:22:55,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:23:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:02,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:05,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:23:05,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:06,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:06,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:23:06,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:06,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:23:06,746 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:23:06,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:06,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:06,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:06,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:06,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:06,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:23:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:14,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:17,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:23:17,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:18,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:23:18,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:23:18,420 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:23:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:18,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:18,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:18,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:18,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:23:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:25,770 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:28,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:23:28,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:29,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:23:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:23:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:23:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:29,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:29,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:29,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:29,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:29,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:23:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:37,574 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:40,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:23:40,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:41,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-02 21:23:41,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:41,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:23:41,903 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:23:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:41,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:41,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:41,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:41,904 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:41,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:23:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:49,010 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:23:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:52,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:23:52,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:23:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:23:53,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 21:23:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:23:53,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:23:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:23:53,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:53,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:53,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:53,123 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:53,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:24:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:00,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:03,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:24:03,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:04,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:24:04,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:24:04,733 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:24:04,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:04,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:04,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:04,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:04,734 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:04,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:24:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:12,200 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:15,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:24:15,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:16,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 21:24:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:24:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:24:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:16,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:16,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:16,266 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:16,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:24:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:24,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:27,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:24:27,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:28,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:24:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:24:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:24:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:28,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:28,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:28,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:28,393 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:28,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:24:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:35,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:38,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:24:38,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:39,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:24:39,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:24:39,915 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:24:39,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:39,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:39,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:39,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:39,916 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:39,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:24:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:47,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:50,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:24:50,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:24:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:24:51,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:24:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:24:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:24:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:24:51,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:51,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:24:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:24:51,559 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:24:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:24:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:24:59,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:02,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:25:02,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:03,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:25:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:03,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:25:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:25:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:25:03,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:03,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:25:03,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:25:03,162 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:25:03,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:25:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:10,801 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:13,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:25:13,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:14,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:25:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:25:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:25:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:25:14,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:14,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:25:14,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:25:14,885 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:25:14,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:25:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:22,667 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:25,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:25:25,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:27,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:25:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:25:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:25:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:25:27,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:27,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:25:27,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:25:27,028 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:25:27,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:25:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:34,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:37,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:25:37,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:39,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:25:39,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:25:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:25:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:25:39,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:39,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:25:39,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:25:39,079 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:25:39,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:25:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:46,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:25:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:49,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:25:49,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:25:50,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:25:50,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:25:50,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:50,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:25:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:25:50,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:25:50,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:50,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:25:50,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:25:50,946 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:25:50,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:25:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:58,318 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:26:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:01,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:26:01,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:02,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-02 21:26:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:02,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:26:02,664 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:26:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:02,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:02,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:02,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:02,666 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:02,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:26:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:10,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:26:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:13,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:26:13,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:14,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:14,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:26:14,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:14,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:26:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:26:14,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:14,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:14,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:14,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:14,648 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:14,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:26:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:22,776 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:26:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:26,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:26:26,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:27,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:26:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:26:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:26:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:27,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:27,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:27,376 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:27,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:26:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:35,388 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:26:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:38,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:26:38,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:39,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:39,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:26:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:39,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:26:39,849 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:26:39,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:39,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:39,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:39,850 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:39,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:26:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:47,900 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:26:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:51,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:26:51,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:26:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:26:52,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-02 21:26:52,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:26:52,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:26:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:26:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:26:52,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:26:52,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:26:52,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:26:52,339 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:26:52,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:27:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:00,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:27:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:04,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:27:04,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:05,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:27:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:05,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:27:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:27:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:27:05,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:05,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:27:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:27:05,294 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:27:05,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:27:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:13,437 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:27:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:16,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:27:16,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:17,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:27:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:27:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:27:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:27:17,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:17,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:27:17,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:27:17,900 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:27:17,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:27:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:26,063 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:27:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:29,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:27:29,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:30,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:27:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:27:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:27:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:27:30,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:30,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:27:30,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:27:30,505 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:27:30,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:27:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:38,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:27:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:42,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:27:42,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:43,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:27:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:27:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:27:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:27:43,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:43,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:27:43,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:27:43,376 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:27:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:27:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:52,054 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:27:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:55,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:27:55,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:27:56,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:27:56,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:27:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:27:56,450 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:27:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:27:56,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:56,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:27:56,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:27:56,452 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:27:56,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:28:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:04,644 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:28:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:28:07,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 11301 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 21:28:07,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:28:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:28:09,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:28:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:28:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:28:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:28:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:28:09,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:28:09,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:28:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:28:09,094 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:28:09,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7151a21f-7c2e-4b97-90d9-eee40dc89db6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process