./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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 5005a66ba1901c31301891744d2f11ccbd93dc0352cb6ddb7683c66b3941543b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:26:22,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:26:22,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 00:26:22,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:26:22,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:26:22,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:26:22,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:26:22,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:26:22,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:26:22,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:26:22,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:26:22,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:26:22,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:26:22,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:26:22,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:26:22,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:26:22,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:26:22,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:26:22,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:26:22,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:26:22,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:26:22,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:26:22,453 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:26:22,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:22,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:26:22,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:26:22,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:26:22,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:26:22,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:26:22,456 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:26:22,456 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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5005a66ba1901c31301891744d2f11ccbd93dc0352cb6ddb7683c66b3941543b [2023-12-03 00:26:22,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:26:22,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:26:22,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:26:22,684 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:26:22,685 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:26:22,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c [2023-12-03 00:26:25,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:26:25,891 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:26:25,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c [2023-12-03 00:26:25,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data/206f4c23d/724ced67f056481da7310f9ea23a4be1/FLAG0b3b10cfe [2023-12-03 00:26:25,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data/206f4c23d/724ced67f056481da7310f9ea23a4be1 [2023-12-03 00:26:25,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:26:25,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:26:25,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:25,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:26:25,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:26:25,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:25" (1/1) ... [2023-12-03 00:26:25,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336272ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:25, skipping insertion in model container [2023-12-03 00:26:25,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:26:25" (1/1) ... [2023-12-03 00:26:26,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:26:26,462 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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c[1179,1192] [2023-12-03 00:26:27,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:27,701 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:26:27,713 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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c[1179,1192] [2023-12-03 00:26:28,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:26:28,660 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:26:28,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28 WrapperNode [2023-12-03 00:26:28,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:26:28,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:28,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:26:28,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:26:28,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:28,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:32,110 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49779 [2023-12-03 00:26:32,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:26:32,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:26:32,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:26:32,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:26:32,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:32,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:32,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:32,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:33,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:33,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:34,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:34,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:34,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:26:34,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:26:34,961 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:26:34,961 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:26:34,962 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:26:28" (1/1) ... [2023-12-03 00:26:34,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:26:34,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:26:34,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:26:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:26:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:26:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:26:35,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:26:35,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:26:36,623 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:26:36,624 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:26:58,587 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:29:00,399 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:29:00,400 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:29:00,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:29:00 BoogieIcfgContainer [2023-12-03 00:29:00,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:29:00,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:29:00,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:29:00,413 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:29:00,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:29:00" (1/1) ... [2023-12-03 00:29:00,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:29:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:29:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:29:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:29:00,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:00,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:29:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:29:20,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:29:30,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 00:29:32,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 00:29:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 00:29:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 00:29:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:29:36,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:36,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 00:29:54,176 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 00:29:54,180 INFO L158 Benchmark]: Toolchain (without parser) took 208219.21ms. Allocated memory was 163.6MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 96.4MB in the beginning and 11.0GB in the end (delta: -10.9GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2023-12-03 00:29:54,180 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:29:54,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2699.30ms. Allocated memory was 163.6MB in the beginning and 385.9MB in the end (delta: 222.3MB). Free memory was 95.7MB in the beginning and 138.6MB in the end (delta: -43.0MB). Peak memory consumption was 250.3MB. Max. memory is 16.1GB. [2023-12-03 00:29:54,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 3449.06ms. Allocated memory was 385.9MB in the beginning and 5.9GB in the end (delta: 5.6GB). Free memory was 138.6MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 600.8MB. Max. memory is 16.1GB. [2023-12-03 00:29:54,184 INFO L158 Benchmark]: Boogie Preprocessor took 2849.42ms. Allocated memory is still 5.9GB. Free memory was 5.2GB in the beginning and 4.9GB in the end (delta: 269.5MB). Peak memory consumption was 463.5MB. Max. memory is 16.1GB. [2023-12-03 00:29:54,185 INFO L158 Benchmark]: RCFGBuilder took 145441.16ms. Allocated memory was 5.9GB in the beginning and 14.0GB in the end (delta: 8.0GB). Free memory was 4.9GB in the beginning and 10.9GB in the end (delta: -6.0GB). Peak memory consumption was 7.4GB. Max. memory is 16.1GB. [2023-12-03 00:29:54,185 INFO L158 Benchmark]: CodeCheck took 53775.56ms. Allocated memory was 14.0GB in the beginning and 14.1GB in the end (delta: 136.3MB). Free memory was 10.9GB in the beginning and 11.0GB in the end (delta: -110.8MB). Peak memory consumption was 464.7MB. Max. memory is 16.1GB. [2023-12-03 00:29:54,190 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 0.15ms. Allocated memory is still 123.7MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2699.30ms. Allocated memory was 163.6MB in the beginning and 385.9MB in the end (delta: 222.3MB). Free memory was 95.7MB in the beginning and 138.6MB in the end (delta: -43.0MB). Peak memory consumption was 250.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3449.06ms. Allocated memory was 385.9MB in the beginning and 5.9GB in the end (delta: 5.6GB). Free memory was 138.6MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 600.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2849.42ms. Allocated memory is still 5.9GB. Free memory was 5.2GB in the beginning and 4.9GB in the end (delta: 269.5MB). Peak memory consumption was 463.5MB. Max. memory is 16.1GB. * RCFGBuilder took 145441.16ms. Allocated memory was 5.9GB in the beginning and 14.0GB in the end (delta: 8.0GB). Free memory was 4.9GB in the beginning and 10.9GB in the end (delta: -6.0GB). Peak memory consumption was 7.4GB. Max. memory is 16.1GB. * CodeCheck took 53775.56ms. Allocated memory was 14.0GB in the beginning and 14.1GB in the end (delta: 136.3MB). Free memory was 10.9GB in the beginning and 11.0GB in the end (delta: -110.8MB). Peak memory consumption was 464.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 00:29:54,403 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 00:29:54,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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 5005a66ba1901c31301891744d2f11ccbd93dc0352cb6ddb7683c66b3941543b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:29:56,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:29:56,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 00:29:57,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:29:57,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:29:57,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:29:57,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:29:57,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:29:57,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:29:57,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:29:57,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:29:57,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:29:57,009 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:29:57,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:29:57,010 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 00:29:57,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 00:29:57,011 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 00:29:57,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:29:57,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:29:57,012 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:29:57,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:29:57,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:29:57,014 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:57,014 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 00:29:57,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:29:57,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:29:57,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:29:57,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:29:57,017 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:29:57,017 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 00:29:57,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 00:29:57,018 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:29:57,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 00:29:57,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 00:29:57,019 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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5005a66ba1901c31301891744d2f11ccbd93dc0352cb6ddb7683c66b3941543b [2023-12-03 00:29:57,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:29:57,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:29:57,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:29:57,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:29:57,331 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:29:57,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c [2023-12-03 00:30:00,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:30:00,637 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:30:00,638 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c [2023-12-03 00:30:00,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data/c190e5e4d/be97d7cef597407ebab281d665900f6a/FLAG7f92db20c [2023-12-03 00:30:00,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/data/c190e5e4d/be97d7cef597407ebab281d665900f6a [2023-12-03 00:30:00,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:30:00,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:30:00,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:00,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:30:00,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:30:00,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:00" (1/1) ... [2023-12-03 00:30:00,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ba483e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:00, skipping insertion in model container [2023-12-03 00:30:00,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:30:00" (1/1) ... [2023-12-03 00:30:00,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:30:01,225 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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c[1179,1192] [2023-12-03 00:30:02,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:02,262 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:30:02,275 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_7d3f0d0f-dfe9-491d-8184-4e698341c75f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.8.prop6-func-interl.c[1179,1192] [2023-12-03 00:30:02,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:30:02,974 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:30:02,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02 WrapperNode [2023-12-03 00:30:02,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:30:02,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:02,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:30:02,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:30:02,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,509 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13746 [2023-12-03 00:30:03,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:30:03,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:30:03,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:30:03,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:30:03,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:03,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:04,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:04,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:04,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:30:04,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:30:04,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:30:04,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:30:04,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:30:02" (1/1) ... [2023-12-03 00:30:04,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:30:04,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:30:04,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:30:04,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:30:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:30:04,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 00:30:04,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:30:04,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:30:05,701 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:30:05,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:31:47,055 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:31:47,498 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:31:47,498 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:31:47,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:47 BoogieIcfgContainer [2023-12-03 00:31:47,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:31:47,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:31:47,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:31:47,508 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:31:47,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:47" (1/1) ... [2023-12-03 00:31:47,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:31:47,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 00:31:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 00:31:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 00:31:47,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:47,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:31:47,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:31:47,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:31:47,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 00:31:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:50,419 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:31:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:51,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 00:31:51,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:31:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:51,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 00:32:02,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:03,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 00:32:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 00:32:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:32:04,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:04,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:32:04,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:32:04,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:32:04,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 00:32:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:12,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:32:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:15,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:32:15,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:32:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:17,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 00:32:29,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:40,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:52,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:32:56,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 00:33:06,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.77s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:33:18,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:33:20,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:33:22,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 00:33:22,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:22,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:33:22,741 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:33:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:33:22,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:22,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:22,745 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:22,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 00:33:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:30,684 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:33,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:33:33,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:34,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:35,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:35,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:33:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:33:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:33:35,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:35,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:35,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:35,040 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:35,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 00:33:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:43,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:46,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:33:46,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:47,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:33:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:33:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:33:47,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:47,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:47,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:47,365 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:47,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 00:33:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:55,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:33:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:58,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:33:58,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:33:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:59,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-03 00:33:59,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:33:59,955 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:33:59,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:33:59,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:59,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:33:59,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:33:59,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:33:59,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 00:34:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:07,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:11,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:34:11,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:12,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 00:34:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:12,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:34:12,177 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:34:12,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:34:12,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:12,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:12,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:12,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:12,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 00:34:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:19,908 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:23,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:34:23,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:24,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 00:34:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:34:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:34:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:34:24,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:24,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:24,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:24,133 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:24,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 00:34:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:32,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:35,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:34:35,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:36,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 00:34:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:34:36,415 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:34:36,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:34:36,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:36,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:36,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:36,417 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:36,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 00:34:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:44,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:47,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:34:47,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:34:48,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:48,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 00:34:48,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:34:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:34:48,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:34:48,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:48,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:34:48,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:34:48,353 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:34:48,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 00:34:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:56,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:34:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:59,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:34:59,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:00,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:35:00,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 00:35:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:00,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:35:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:35:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:35:00,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:00,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:00,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:00,268 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:00,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 00:35:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:08,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:11,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:35:11,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:35:12,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 00:35:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:35:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:35:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:35:12,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:12,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:12,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:12,733 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:12,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 00:35:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:20,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:24,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:35:24,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:35:25,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 00:35:25,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:35:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:35:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:35:25,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:25,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:25,071 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:25,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 00:35:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:33,262 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:36,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:35:36,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:35:37,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 00:35:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:35:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:35:37,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:35:37,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:37,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:37,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:37,596 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:37,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 00:35:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:45,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:35:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:48,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:35:48,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:35:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:35:49,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 00:35:49,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:35:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:35:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:35:49,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:35:49,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:35:49,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:35:49,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:35:49,711 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:35:49,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 00:35:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:35:57,807 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:01,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:36:01,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:02,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 00:36:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:36:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:36:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:36:02,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:02,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:02,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:02,381 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:02,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 00:36:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:10,075 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:13,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:36:13,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:14,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:14,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 00:36:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:36:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:36:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:36:14,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:14,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:14,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:14,439 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:14,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 00:36:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:22,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:25,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:36:25,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:26,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:26,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 00:36:26,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:36:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:36:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:36:26,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:26,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:26,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:26,792 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:26,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 00:36:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:34,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:38,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:36:38,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:39,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 00:36:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:39,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:36:39,471 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:36:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:36:39,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:39,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:39,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:39,473 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:39,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 00:36:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:48,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:36:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:36:51,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:36:51,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:36:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:36:52,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 00:36:52,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:36:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:36:52,893 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:36:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:36:52,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:36:52,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:36:52,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:36:52,895 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:36:52,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 00:37:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:01,164 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:04,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:37:04,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:37:05,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 00:37:05,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:05,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:37:05,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:37:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:37:05,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:05,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:05,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:05,337 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:05,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 00:37:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:13,837 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:17,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:37:17,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:18,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:37:18,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 00:37:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:18,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:37:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:37:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:37:18,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:18,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:18,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:18,120 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 00:37:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:26,302 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:29,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:37:29,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:37:30,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 00:37:30,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:37:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:37:30,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:37:30,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:30,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:30,905 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:30,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 00:37:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:39,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:42,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:37:42,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:37:43,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 00:37:43,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:43,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:37:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:37:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:37:43,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:43,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:43,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:43,770 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:43,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 00:37:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:52,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:37:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:37:55,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:37:55,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:37:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:37:56,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 00:37:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:37:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:37:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:37:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:37:56,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:37:56,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:37:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:37:56,449 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:37:56,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 00:38:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:05,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:08,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:38:08,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:09,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:09,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 00:38:09,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:09,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:38:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:38:09,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:38:09,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:09,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:09,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:09,668 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:09,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 00:38:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:18,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:21,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:38:21,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:22,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 00:38:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:38:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:38:22,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:38:22,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:22,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:22,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:22,920 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:22,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 00:38:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:31,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:34,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:38:34,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:35,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 00:38:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:35,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:38:35,942 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:38:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:38:35,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:35,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:35,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:35,944 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:35,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 00:38:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:44,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 00:38:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:38:47,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 11578 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-03 00:38:47,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 00:38:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:38:48,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 00:38:48,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:38:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-03 00:38:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-03 00:38:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 00:38:48,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:38:48,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 00:38:48,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 00:38:48,759 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 00:38:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d3f0d0f-dfe9-491d-8184-4e698341c75f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process