./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-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_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/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_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/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_0eba8007-3b31-48d7-86c9-a723abc3643a/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 1aaf848a9febd200c2e2df4b286579ea81b5b341cde992955e669d54c8f44c17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:31:55,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:31:55,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:31:55,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:31:55,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:31:55,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:31:55,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:31:55,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:31:55,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:31:55,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:31:55,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:31:55,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:31:55,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:31:56,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:31:56,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:31:56,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:31:56,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:31:56,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:31:56,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:31:56,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:31:56,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:31:56,004 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:31:56,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:31:56,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:56,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:31:56,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:31:56,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:31:56,007 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:31:56,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:31:56,008 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:31:56,008 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_0eba8007-3b31-48d7-86c9-a723abc3643a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aaf848a9febd200c2e2df4b286579ea81b5b341cde992955e669d54c8f44c17 [2023-12-02 21:31:56,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:31:56,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:31:56,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:31:56,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:31:56,243 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:31:56,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-02 21:31:59,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:31:59,494 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:31:59,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-02 21:31:59,526 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data/cdce0cd54/d6f24a307d2f444fb279bd291beaa7ca/FLAGb386445ce [2023-12-02 21:31:59,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data/cdce0cd54/d6f24a307d2f444fb279bd291beaa7ca [2023-12-02 21:31:59,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:31:59,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:31:59,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:59,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:31:59,548 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:31:59,549 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:59" (1/1) ... [2023-12-02 21:31:59,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b1e206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:59, skipping insertion in model container [2023-12-02 21:31:59,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:59" (1/1) ... [2023-12-02 21:31:59,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:32:00,078 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_0eba8007-3b31-48d7-86c9-a723abc3643a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c[1174,1187] [2023-12-02 21:32:01,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:01,287 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:32:01,300 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_0eba8007-3b31-48d7-86c9-a723abc3643a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c[1174,1187] [2023-12-02 21:32:02,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:32:02,103 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:32:02,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02 WrapperNode [2023-12-02 21:32:02,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:32:02,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:02,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:32:02,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:32:02,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:02,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:05,458 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50391 [2023-12-02 21:32:05,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:32:05,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:32:05,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:32:05,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:32:05,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:05,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:06,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:06,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:06,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:07,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:07,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:07,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:07,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:32:07,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:32:07,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:32:07,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:32:07,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:32:02" (1/1) ... [2023-12-02 21:32:07,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:32:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:32:08,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:32:08,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:32:08,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:32:08,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:32:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:32:09,976 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:32:09,977 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:33:20,088 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:35:22,539 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:35:22,539 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:35:22,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:22 BoogieIcfgContainer [2023-12-02 21:35:22,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:35:22,542 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:35:22,542 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:35:22,552 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:35:22,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:22" (1/1) ... [2023-12-02 21:35:22,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:35:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:35:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:35:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:35:22,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:22,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:35:43,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:35:53,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:35:55,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:55,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:35:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:35:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:35:55,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:55,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:36:13,241 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:36:13,245 INFO L158 Benchmark]: Toolchain (without parser) took 253701.80ms. Allocated memory was 136.3MB in the beginning and 13.6GB in the end (delta: 13.4GB). Free memory was 86.7MB in the beginning and 10.4GB in the end (delta: -10.4GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2023-12-02 21:36:13,245 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:36:13,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2559.58ms. Allocated memory was 136.3MB in the beginning and 421.5MB in the end (delta: 285.2MB). Free memory was 86.3MB in the beginning and 162.8MB in the end (delta: -76.6MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. [2023-12-02 21:36:13,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 3354.46ms. Allocated memory was 421.5MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 162.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 656.4MB. Max. memory is 16.1GB. [2023-12-02 21:36:13,247 INFO L158 Benchmark]: Boogie Preprocessor took 2513.69ms. Allocated memory was 3.2GB in the beginning and 8.4GB in the end (delta: 5.2GB). Free memory was 2.4GB in the beginning and 7.3GB in the end (delta: -4.8GB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. [2023-12-02 21:36:13,248 INFO L158 Benchmark]: RCFGBuilder took 194567.32ms. Allocated memory was 8.4GB in the beginning and 13.6GB in the end (delta: 5.2GB). Free memory was 7.3GB in the beginning and 11.0GB in the end (delta: -3.7GB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. [2023-12-02 21:36:13,249 INFO L158 Benchmark]: CodeCheck took 50701.67ms. Allocated memory is still 13.6GB. Free memory was 11.0GB in the beginning and 10.4GB in the end (delta: 559.4MB). Peak memory consumption was 827.8MB. Max. memory is 16.1GB. [2023-12-02 21:36:13,253 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 0.20ms. Allocated memory is still 109.1MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2559.58ms. Allocated memory was 136.3MB in the beginning and 421.5MB in the end (delta: 285.2MB). Free memory was 86.3MB in the beginning and 162.8MB in the end (delta: -76.6MB). Peak memory consumption was 240.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3354.46ms. Allocated memory was 421.5MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 162.8MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 656.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2513.69ms. Allocated memory was 3.2GB in the beginning and 8.4GB in the end (delta: 5.2GB). Free memory was 2.4GB in the beginning and 7.3GB in the end (delta: -4.8GB). Peak memory consumption was 320.9MB. Max. memory is 16.1GB. * RCFGBuilder took 194567.32ms. Allocated memory was 8.4GB in the beginning and 13.6GB in the end (delta: 5.2GB). Free memory was 7.3GB in the beginning and 11.0GB in the end (delta: -3.7GB). Peak memory consumption was 6.2GB. Max. memory is 16.1GB. * CodeCheck took 50701.67ms. Allocated memory is still 13.6GB. Free memory was 11.0GB in the beginning and 10.4GB in the end (delta: 559.4MB). Peak memory consumption was 827.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:36:13,464 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:36:13,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/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_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/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_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/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_0eba8007-3b31-48d7-86c9-a723abc3643a/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 1aaf848a9febd200c2e2df4b286579ea81b5b341cde992955e669d54c8f44c17 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:36:15,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:36:15,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:36:15,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:36:15,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:36:15,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:36:15,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:36:15,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:36:15,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:36:15,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:36:15,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:36:15,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:36:15,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:36:15,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:36:15,969 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:36:15,970 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:36:15,970 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:36:15,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:36:15,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:36:15,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:36:15,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:36:15,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:36:15,974 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:15,974 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:36:15,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:36:15,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:36:15,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:36:15,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:36:15,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:36:15,977 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:36:15,977 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:36:15,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:36:15,978 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:36:15,978 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:36:15,979 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_0eba8007-3b31-48d7-86c9-a723abc3643a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aaf848a9febd200c2e2df4b286579ea81b5b341cde992955e669d54c8f44c17 [2023-12-02 21:36:16,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:36:16,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:36:16,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:36:16,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:36:16,294 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:36:16,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-02 21:36:19,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:36:19,570 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:36:19,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c [2023-12-02 21:36:19,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data/e2f2efc6c/7c73c800f8e2496da52c7bacba6fdd9c/FLAGf39dda902 [2023-12-02 21:36:19,654 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/data/e2f2efc6c/7c73c800f8e2496da52c7bacba6fdd9c [2023-12-02 21:36:19,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:36:19,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:36:19,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:36:19,660 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:36:19,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:36:19,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:19" (1/1) ... [2023-12-02 21:36:19,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2dcbd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:19, skipping insertion in model container [2023-12-02 21:36:19,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:19" (1/1) ... [2023-12-02 21:36:19,832 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:36:20,102 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_0eba8007-3b31-48d7-86c9-a723abc3643a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c[1174,1187] [2023-12-02 21:36:20,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:36:21,010 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:36:21,022 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_0eba8007-3b31-48d7-86c9-a723abc3643a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synapse.7.prop1-func-interl.c[1174,1187] [2023-12-02 21:36:21,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:36:21,751 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:36:21,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21 WrapperNode [2023-12-02 21:36:21,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:36:21,754 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:36:21,754 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:36:21,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:36:21,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:21,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,276 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13446 [2023-12-02 21:36:22,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:36:22,277 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:36:22,277 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:36:22,277 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:36:22,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:36:22,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:36:22,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:36:22,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:36:22,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ... [2023-12-02 21:36:22,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:36:22,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:36:22,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:36:22,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:36:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:36:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:36:22,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:36:22,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:36:24,599 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:36:24,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:37:36,122 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:37:36,515 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:37:36,515 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:37:36,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:36 BoogieIcfgContainer [2023-12-02 21:37:36,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:37:36,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:37:36,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:37:36,527 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:37:36,527 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:37:36" (1/1) ... [2023-12-02 21:37:36,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:37:36,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:37:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:37:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:37:36,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:36,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:36,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:36,590 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:36,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:37:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:39,552 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:37:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:40,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:37:40,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:37:40,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:37:51,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:37:52,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:37:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:52,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:37:52,803 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:37:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:37:52,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:37:52,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:37:52,805 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:37:52,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:38:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:00,990 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:38:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:04,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:38:04,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:38:08,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:38:19,798 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 [] [2023-12-02 21:38:30,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:38:43,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.67s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:38:45,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:39:05,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:39:19,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:39:21,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:39:21,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:39:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:39:21,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:39:21,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:21,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:21,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:21,880 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:21,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:39:30,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:30,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:33,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:39:33,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:34,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:39:34,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:39:34,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:34,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:39:34,961 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:39:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:39:34,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:34,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:34,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:34,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:34,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:39:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:43,311 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:46,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:46,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:39:46,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:39:48,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:39:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:39:48,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:39:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:39:48,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:48,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:48,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:39:48,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:39:48,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:39:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:56,664 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:39:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:59,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:39:59,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:01,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:40:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:40:01,412 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:40:01,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:01,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:01,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:01,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:01,413 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:01,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:40:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:09,902 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:40:13,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:14,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:40:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:40:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:40:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:14,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:14,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:14,758 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:14,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:40:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:23,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:26,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:40:26,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:27,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:40:28,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:40:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:40:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:28,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:28,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:28,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:28,027 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:28,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:40:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:36,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:39,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:40:39,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:41,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:41,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:40:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:40:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:40:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:41,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:41,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:41,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:41,460 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:41,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:40:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:49,949 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:53,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:40:53,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:54,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:40:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:40:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:40:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:40:54,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:54,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:54,885 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:54,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:41:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:03,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:06,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:41:06,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:08,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:41:08,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:08,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:41:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:41:08,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:41:08,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:08,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:08,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:08,222 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:08,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:41:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:17,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:20,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:41:20,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:21,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:41:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:41:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:41:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:41:21,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:21,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:21,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:21,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:21,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 21:41:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:30,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:33,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:41:33,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:34,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 21:41:35,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:41:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:41:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:41:35,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:35,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:35,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:35,025 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:35,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 21:41:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:43,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:47,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:41:47,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:48,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 21:41:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:48,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:41:48,839 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:41:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:41:48,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:48,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:48,841 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:48,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:41:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:58,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:01,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:42:01,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:02,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:42:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:42:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:42:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:42:02,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:02,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:02,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:02,873 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:02,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:42:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,333 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:14,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:42:14,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:16,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:42:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:42:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:42:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:42:16,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:16,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:16,127 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:16,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:42:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:24,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:28,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:42:28,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:29,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 21:42:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:42:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:42:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:42:29,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:29,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:29,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:29,743 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:29,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:42:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:38,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:41,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:42:42,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:43,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:42:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:43,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:42:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:42:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:42:43,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:43,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:43,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:43,519 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:43,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:42:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:52,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:55,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:42:55,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:57,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:57,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-02 21:42:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:42:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:42:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:42:57,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:57,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:57,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:57,415 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:57,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:43:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:06,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:09,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:43:09,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:11,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:43:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:43:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:43:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:43:11,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:11,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:11,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:11,352 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:11,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:43:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:20,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:24,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:43:24,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:25,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:25,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:43:25,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:25,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:43:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:43:25,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:43:25,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:25,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:25,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:25,512 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:25,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:43:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:35,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:38,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:43:38,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:40,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:43:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:40,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:43:40,280 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:43:40,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:43:40,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:40,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:40,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:40,281 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:40,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:43:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:49,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:52,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:43:52,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:54,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:43:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:43:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:43:54,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:43:54,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:54,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:54,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:54,390 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:54,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:44:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:03,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:06,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:44:07,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:08,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-02 21:44:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:44:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:44:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:44:08,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:08,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:08,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:08,506 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:08,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:44:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:17,387 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:20,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:44:20,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:44:22,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:44:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:44:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:44:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:44:22,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:22,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:44:22,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:44:22,332 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:44:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0eba8007-3b31-48d7-86c9-a723abc3643a/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:44:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:32,297 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:44:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:35,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 11750 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:44:35,747 INFO L285 TraceCheckSpWp]: Computing forward predicates...