./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-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_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/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_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/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_937252b7-6d12-423e-af92-d0104a15e78f/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 c888db1f5e37219dac4d5917a040a62c9fc6713a50acd4dd97ac407a3349f486 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:54:17,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:54:18,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:54:18,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:54:18,007 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:54:18,031 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:54:18,032 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:54:18,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:54:18,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:54:18,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:54:18,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:54:18,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:54:18,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:54:18,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:54:18,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:54:18,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:54:18,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:54:18,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:54:18,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:54:18,039 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:54:18,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:54:18,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:54:18,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:54:18,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:18,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:54:18,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:54:18,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:54:18,046 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:54:18,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:54:18,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:54:18,047 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_937252b7-6d12-423e-af92-d0104a15e78f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c888db1f5e37219dac4d5917a040a62c9fc6713a50acd4dd97ac407a3349f486 [2023-12-02 22:54:18,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:54:18,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:54:18,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:54:18,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:54:18,285 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:54:18,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c [2023-12-02 22:54:21,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:54:21,440 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:54:21,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c [2023-12-02 22:54:21,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data/2b6a80145/6eb278c7a5d840e3ae97a4e0c526ca87/FLAG3739a7c9d [2023-12-02 22:54:21,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data/2b6a80145/6eb278c7a5d840e3ae97a4e0c526ca87 [2023-12-02 22:54:21,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:54:21,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:54:21,494 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:21,494 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:54:21,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:54:21,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:21" (1/1) ... [2023-12-02 22:54:21,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b83fe9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:21, skipping insertion in model container [2023-12-02 22:54:21,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:54:21" (1/1) ... [2023-12-02 22:54:21,605 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:54:21,824 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_937252b7-6d12-423e-af92-d0104a15e78f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c[1174,1187] [2023-12-02 22:54:22,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:22,406 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:54:22,418 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_937252b7-6d12-423e-af92-d0104a15e78f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c[1174,1187] [2023-12-02 22:54:22,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:54:22,833 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:54:22,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22 WrapperNode [2023-12-02 22:54:22,833 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:54:22,835 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:22,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:54:22,835 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:54:22,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:23,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:24,504 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 20934 [2023-12-02 22:54:24,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:54:24,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:54:24,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:54:24,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:54:24,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:24,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:24,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:24,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:25,179 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:25,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:25,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:25,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:25,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:54:25,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:54:25,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:54:25,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:54:25,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:54:22" (1/1) ... [2023-12-02 22:54:25,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:54:25,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:54:25,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:54:25,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:54:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:54:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:54:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:54:25,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:54:26,720 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:54:26,722 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:54:37,783 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:55:11,011 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:55:11,011 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:55:11,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:11 BoogieIcfgContainer [2023-12-02 22:55:11,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:55:11,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:55:11,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:55:11,021 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:55:11,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:55:11" (1/1) ... [2023-12-02 22:55:11,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:55:11,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:55:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:55:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:55:11,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:11,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:55:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:55:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:55:26,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:55:36,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:55:38,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:55:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:55:38,378 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:55:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:55:38,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:55:38,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:55:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:55:51,461 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 22:55:51,465 INFO L158 Benchmark]: Toolchain (without parser) took 89971.91ms. Allocated memory was 130.0MB in the beginning and 6.6GB in the end (delta: 6.5GB). Free memory was 90.1MB in the beginning and 4.7GB in the end (delta: -4.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-02 22:55:51,466 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:55:51,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1339.65ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.9MB in the beginning and 52.2MB in the end (delta: 37.7MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2023-12-02 22:55:51,468 INFO L158 Benchmark]: Boogie Procedure Inliner took 1670.11ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 52.2MB in the beginning and 701.8MB in the end (delta: -649.6MB). Peak memory consumption was 272.8MB. Max. memory is 16.1GB. [2023-12-02 22:55:51,469 INFO L158 Benchmark]: Boogie Preprocessor took 1196.47ms. Allocated memory is still 1.1GB. Free memory was 701.8MB in the beginning and 612.3MB in the end (delta: 89.6MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. [2023-12-02 22:55:51,470 INFO L158 Benchmark]: RCFGBuilder took 45310.46ms. Allocated memory was 1.1GB in the beginning and 6.6GB in the end (delta: 5.6GB). Free memory was 612.3MB in the beginning and 5.6GB in the end (delta: -5.0GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2023-12-02 22:55:51,470 INFO L158 Benchmark]: CodeCheck took 40450.52ms. Allocated memory is still 6.6GB. Free memory was 5.6GB in the beginning and 4.7GB in the end (delta: 839.9MB). Peak memory consumption was 838.9MB. Max. memory is 16.1GB. [2023-12-02 22:55:51,475 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 0.23ms. Allocated memory is still 130.0MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1339.65ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 89.9MB in the beginning and 52.2MB in the end (delta: 37.7MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1670.11ms. Allocated memory was 161.5MB in the beginning and 1.1GB in the end (delta: 910.2MB). Free memory was 52.2MB in the beginning and 701.8MB in the end (delta: -649.6MB). Peak memory consumption was 272.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1196.47ms. Allocated memory is still 1.1GB. Free memory was 701.8MB in the beginning and 612.3MB in the end (delta: 89.6MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. * RCFGBuilder took 45310.46ms. Allocated memory was 1.1GB in the beginning and 6.6GB in the end (delta: 5.6GB). Free memory was 612.3MB in the beginning and 5.6GB in the end (delta: -5.0GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * CodeCheck took 40450.52ms. Allocated memory is still 6.6GB. Free memory was 5.6GB in the beginning and 4.7GB in the end (delta: 839.9MB). Peak memory consumption was 838.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:55:51,687 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:55:51,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/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_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/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_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/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_937252b7-6d12-423e-af92-d0104a15e78f/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 c888db1f5e37219dac4d5917a040a62c9fc6713a50acd4dd97ac407a3349f486 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:55:53,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:55:53,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:55:53,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:55:53,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:55:53,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:55:53,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:55:53,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:55:53,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:55:53,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:55:53,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:55:53,798 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:55:53,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:55:53,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:55:53,800 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:55:53,800 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:55:53,801 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:55:53,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:55:53,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:55:53,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:55:53,803 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:55:53,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:55:53,808 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:53,808 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:55:53,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:55:53,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:53,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:55:53,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:55:53,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:55:53,811 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:55:53,811 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:55:53,811 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:55:53,812 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:55:53,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:55:53,812 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_937252b7-6d12-423e-af92-d0104a15e78f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c888db1f5e37219dac4d5917a040a62c9fc6713a50acd4dd97ac407a3349f486 [2023-12-02 22:55:54,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:55:54,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:55:54,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:55:54,113 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:55:54,113 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:55:54,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c [2023-12-02 22:55:56,902 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:55:57,227 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:55:57,228 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c [2023-12-02 22:55:57,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data/171b37509/fc49a9d3d3e24f7fa3e5d477c36ae00e/FLAG802042d40 [2023-12-02 22:55:57,268 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/data/171b37509/fc49a9d3d3e24f7fa3e5d477c36ae00e [2023-12-02 22:55:57,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:55:57,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:55:57,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:57,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:55:57,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:55:57,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:57" (1/1) ... [2023-12-02 22:55:57,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd784c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:57, skipping insertion in model container [2023-12-02 22:55:57,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:55:57" (1/1) ... [2023-12-02 22:55:57,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:55:57,549 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_937252b7-6d12-423e-af92-d0104a15e78f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c[1174,1187] [2023-12-02 22:55:58,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:58,027 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:55:58,038 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_937252b7-6d12-423e-af92-d0104a15e78f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.2.prop4-func-interl.c[1174,1187] [2023-12-02 22:55:58,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:55:58,313 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:55:58,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58 WrapperNode [2023-12-02 22:55:58,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:55:58,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:58,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:55:58,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:55:58,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,575 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4845 [2023-12-02 22:55:58,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:55:58,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:55:58,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:55:58,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:55:58,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:55:58,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:55:58,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:55:58,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:55:58,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:55:58" (1/1) ... [2023-12-02 22:55:58,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:55:58,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:55:58,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:55:58,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:55:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:55:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:55:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:55:59,596 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:55:59,598 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:56:12,428 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:56:12,719 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:56:12,719 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:56:12,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:12 BoogieIcfgContainer [2023-12-02 22:56:12,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:56:12,721 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:56:12,722 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:56:12,731 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:56:12,731 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:56:12" (1/1) ... [2023-12-02 22:56:12,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:56:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:56:12,788 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:56:12,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:56:12,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:12,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:12,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:12,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:56:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:14,020 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:14,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:56:14,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:56:14,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:56:18,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:56:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:56:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:56:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:56:19,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:56:19,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:56:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:56:19,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:56:19,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:56:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:23,743 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:56:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:56:25,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 4012 conjuncts, 189 conjunts are in the unsatisfiable core [2023-12-02 22:56:25,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:56:28,251 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 22:56:28,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:56:35,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:46,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:56:50,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:57:09,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:57:21,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.94s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:57:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:57:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 22:57:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 22:57:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:57:23,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:57:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:57:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:57:23,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:57:23,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:57:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:32,950 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:57:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:57:36,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 22:57:36,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:57:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:57:55,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 22:58:07,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:27,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:58:43,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:58:52,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:58:54,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:58:56,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:29,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:33,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:45,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:55,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:57,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:59:57,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:59:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 18 states and 41 transitions. [2023-12-02 22:59:57,476 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 41 transitions. [2023-12-02 22:59:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:59:57,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:59:57,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:59:57,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:59:57,478 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:59:57,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:00:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:05,725 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:00:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:00:08,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:00:08,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:00:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:00:21,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:00:55,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:01:24,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:01:35,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:01:45,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:01:48,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:01:58,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:01:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:01:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:01:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:01:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:01:59,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:01:59,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:01:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:01:59,865 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:01:59,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:02:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:08,790 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:11,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:02:11,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:26,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:02:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:26,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:02:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:02:26,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:02:26,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:26,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:26,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:26,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:26,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:02:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:37,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:02:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:02:40,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:02:41,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:02:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:02:58,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:02:58,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:02:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:02:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:02:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:02:58,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:02:58,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:02:58,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:02:58,598 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:02:58,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:03:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:07,921 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:11,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:03:11,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:03:24,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 23:03:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:25,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:03:25,027 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:03:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:03:25,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:25,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:25,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:25,028 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:25,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:03:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:34,060 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:03:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:03:37,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:03:37,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:03:51,442 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:03:51,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:03:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:03:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:03:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:03:51,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:03:51,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:03:51,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:03:51,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:03:51,749 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:03:51,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:04:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:01,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:04,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:04:04,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:18,092 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:04:18,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 23:04:18,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:04:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:04:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:04:18,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:18,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:18,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:18,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:18,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:04:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:27,068 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:30,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:04:30,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:04:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:04:42,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:04:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:04:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:04:42,962 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:04:42,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:04:42,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:04:42,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:04:42,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:04:42,964 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:04:42,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:04:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:51,232 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:04:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:04:54,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:04:54,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:06,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:05:06,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:05:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:06,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:05:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:05:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:05:06,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:06,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:06,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:06,997 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:06,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:05:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:15,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:18,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:05:18,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:05:31,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:05:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:31,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:05:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:05:31,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:05:31,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:31,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:31,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:31,289 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:31,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:05:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:39,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:05:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:05:42,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:05:43,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:05:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:05:55,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:05:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:05:55,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:05:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:05:55,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:05:55,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:05:55,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:05:55,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:05:55,907 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:05:55,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:06:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:04,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:07,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:06:07,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:20,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:06:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:20,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:06:20,668 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:06:20,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:06:20,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:20,670 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:20,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:06:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:29,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:32,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:06:32,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:06:44,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:06:45,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:06:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:06:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:06:45,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:06:45,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:06:45,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:06:45,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:06:45,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:06:45,279 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:06:45,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:06:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:53,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:06:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:06:57,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:06:57,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:10,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:07:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:07:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:07:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:07:10,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:10,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:10,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:10,218 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:10,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:07:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:19,238 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:22,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:07:22,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:07:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:07:35,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:07:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:07:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 19 states and 45 transitions. [2023-12-02 23:07:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 45 transitions. [2023-12-02 23:07:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:07:35,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:07:35,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:07:35,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:07:35,336 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:07:35,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_937252b7-6d12-423e-af92-d0104a15e78f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:07:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:44,146 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:07:46,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:07:47,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 7753 conjuncts, 532 conjunts are in the unsatisfiable core [2023-12-02 23:07:47,340 INFO L285 TraceCheckSpWp]: Computing forward predicates...