./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/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_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/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_6e5ee818-327d-44db-b020-c172d11d000d/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 e59ba467015199eb1d225c8b65d0bd47db5f689921f75c608cd5219d76ab6a66 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:31:35,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:31:35,278 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:31:35,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:31:35,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:31:35,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:31:35,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:31:35,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:31:35,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:31:35,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:31:35,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:31:35,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:31:35,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:31:35,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:31:35,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:31:35,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:31:35,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:31:35,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:31:35,313 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:31:35,313 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:31:35,314 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:31:35,314 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:31:35,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:31:35,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:31:35,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:31:35,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:31:35,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:31:35,317 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:31:35,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:31:35,318 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:31:35,318 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_6e5ee818-327d-44db-b020-c172d11d000d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e59ba467015199eb1d225c8b65d0bd47db5f689921f75c608cd5219d76ab6a66 [2023-12-02 23:31:35,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:31:35,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:31:35,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:31:35,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:31:35,586 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:31:35,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c [2023-12-02 23:31:38,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:31:38,806 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:31:38,807 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c [2023-12-02 23:31:38,858 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data/238fdee2e/74727f6c80034d80ad88dfea704519a6/FLAG41736b553 [2023-12-02 23:31:38,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data/238fdee2e/74727f6c80034d80ad88dfea704519a6 [2023-12-02 23:31:38,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:31:38,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:31:38,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:31:38,875 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:31:38,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:31:38,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:31:38" (1/1) ... [2023-12-02 23:31:38,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aa29ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:38, skipping insertion in model container [2023-12-02 23:31:38,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:31:38" (1/1) ... [2023-12-02 23:31:39,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:31:39,405 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_6e5ee818-327d-44db-b020-c172d11d000d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c[1179,1192] [2023-12-02 23:31:40,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:31:40,560 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:31:40,573 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_6e5ee818-327d-44db-b020-c172d11d000d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c[1179,1192] [2023-12-02 23:31:41,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:31:41,532 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:31:41,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41 WrapperNode [2023-12-02 23:31:41,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:31:41,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:31:41,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:31:41,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:31:41,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:41,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:44,548 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49260 [2023-12-02 23:31:44,549 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:31:44,550 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:31:44,550 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:31:44,550 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:31:44,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:44,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:45,365 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:45,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:46,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:46,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:46,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:46,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:47,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:31:47,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:31:47,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:31:47,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:31:47,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:31:41" (1/1) ... [2023-12-02 23:31:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:31:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:31:47,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:31:47,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:31:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:31:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:31:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:31:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:31:49,328 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:31:49,329 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:32:11,320 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:34:34,426 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:34:34,427 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:34:34,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:34 BoogieIcfgContainer [2023-12-02 23:34:34,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:34:34,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:34:34,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:34:34,438 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:34:34,438 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:34:34" (1/1) ... [2023-12-02 23:34:34,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:34:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:34:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:34:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:34:34,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:34,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:40,240 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 23:34:54,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:35:04,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:35:07,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:10,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:35:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:35:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:35:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:35:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:35:10,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:35:10,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:35:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:35:28,886 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 23:35:28,889 INFO L158 Benchmark]: Toolchain (without parser) took 230015.31ms. Allocated memory was 146.8MB in the beginning and 13.8GB in the end (delta: 13.6GB). Free memory was 87.1MB in the beginning and 10.2GB in the end (delta: -10.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2023-12-02 23:35:28,890 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory was 116.5MB in the beginning and 116.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:35:28,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2658.26ms. Allocated memory was 146.8MB in the beginning and 461.4MB in the end (delta: 314.6MB). Free memory was 86.6MB in the beginning and 195.4MB in the end (delta: -108.8MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. [2023-12-02 23:35:28,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 3015.24ms. Allocated memory was 461.4MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 195.4MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 618.7MB. Max. memory is 16.1GB. [2023-12-02 23:35:28,892 INFO L158 Benchmark]: Boogie Preprocessor took 2920.73ms. Allocated memory is still 3.2GB. Free memory was 2.3GB in the beginning and 2.1GB in the end (delta: 201.3MB). Peak memory consumption was 381.7MB. Max. memory is 16.1GB. [2023-12-02 23:35:28,893 INFO L158 Benchmark]: RCFGBuilder took 166957.20ms. Allocated memory was 3.2GB in the beginning and 13.7GB in the end (delta: 10.5GB). Free memory was 2.1GB in the beginning and 10.5GB in the end (delta: -8.5GB). Peak memory consumption was 6.8GB. Max. memory is 16.1GB. [2023-12-02 23:35:28,893 INFO L158 Benchmark]: CodeCheck took 54459.17ms. Allocated memory was 13.7GB in the beginning and 13.8GB in the end (delta: 98.6MB). Free memory was 10.5GB in the beginning and 10.2GB in the end (delta: 350.7MB). Peak memory consumption was 609.7MB. Max. memory is 16.1GB. [2023-12-02 23:35:28,896 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 0.17ms. Allocated memory is still 146.8MB. Free memory was 116.5MB in the beginning and 116.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2658.26ms. Allocated memory was 146.8MB in the beginning and 461.4MB in the end (delta: 314.6MB). Free memory was 86.6MB in the beginning and 195.4MB in the end (delta: -108.8MB). Peak memory consumption was 214.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3015.24ms. Allocated memory was 461.4MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 195.4MB in the beginning and 2.3GB in the end (delta: -2.1GB). Peak memory consumption was 618.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2920.73ms. Allocated memory is still 3.2GB. Free memory was 2.3GB in the beginning and 2.1GB in the end (delta: 201.3MB). Peak memory consumption was 381.7MB. Max. memory is 16.1GB. * RCFGBuilder took 166957.20ms. Allocated memory was 3.2GB in the beginning and 13.7GB in the end (delta: 10.5GB). Free memory was 2.1GB in the beginning and 10.5GB in the end (delta: -8.5GB). Peak memory consumption was 6.8GB. Max. memory is 16.1GB. * CodeCheck took 54459.17ms. Allocated memory was 13.7GB in the beginning and 13.8GB in the end (delta: 98.6MB). Free memory was 10.5GB in the beginning and 10.2GB in the end (delta: 350.7MB). Peak memory consumption was 609.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:35:29,108 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:35:29,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/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_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/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_6e5ee818-327d-44db-b020-c172d11d000d/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 e59ba467015199eb1d225c8b65d0bd47db5f689921f75c608cd5219d76ab6a66 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:35:31,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:35:31,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:35:31,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:35:31,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:35:31,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:35:31,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:35:31,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:35:31,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:35:31,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:35:31,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:35:31,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:35:31,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:35:31,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:35:31,673 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:35:31,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:35:31,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:35:31,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:35:31,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:35:31,676 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:35:31,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:35:31,677 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:35:31,678 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:31,679 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:31,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:35:31,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:31,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:35:31,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:35:31,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:35:31,681 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:35:31,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:35:31,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:35:31,682 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:35:31,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:35:31,683 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_6e5ee818-327d-44db-b020-c172d11d000d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e59ba467015199eb1d225c8b65d0bd47db5f689921f75c608cd5219d76ab6a66 [2023-12-02 23:35:31,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:35:31,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:35:31,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:35:31,991 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:35:31,992 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:35:31,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c [2023-12-02 23:35:34,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:35:35,308 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:35:35,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c [2023-12-02 23:35:35,352 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data/82afdb693/5f42abdbbf9c4015b6bb3dd4a61a2592/FLAG15c1b3f84 [2023-12-02 23:35:35,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/data/82afdb693/5f42abdbbf9c4015b6bb3dd4a61a2592 [2023-12-02 23:35:35,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:35:35,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:35:35,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:35,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:35:35,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:35:35,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:35" (1/1) ... [2023-12-02 23:35:35,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caca567 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:35, skipping insertion in model container [2023-12-02 23:35:35,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:35:35" (1/1) ... [2023-12-02 23:35:35,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:35:35,870 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_6e5ee818-327d-44db-b020-c172d11d000d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c[1179,1192] [2023-12-02 23:35:36,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:36,848 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:35:36,863 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_6e5ee818-327d-44db-b020-c172d11d000d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.3.prop6-func-interl.c[1179,1192] [2023-12-02 23:35:37,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:35:37,587 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:35:37,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37 WrapperNode [2023-12-02 23:35:37,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:35:37,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:37,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:35:37,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:35:37,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:37,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,210 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13557 [2023-12-02 23:35:38,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:35:38,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:35:38,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:35:38,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:35:38,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:35:38,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:35:38,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:35:38,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:35:38,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:35:37" (1/1) ... [2023-12-02 23:35:38,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:35:38,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:35:38,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:35:38,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:35:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:35:38,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:35:38,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:35:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:35:40,441 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:35:40,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:37:21,700 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:37:22,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:37:22,199 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:37:22,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:22 BoogieIcfgContainer [2023-12-02 23:37:22,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:37:22,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:37:22,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:37:22,211 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:37:22,211 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:22" (1/1) ... [2023-12-02 23:37:22,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:37:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:22,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:37:22,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:37:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:37:22,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:22,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:22,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:22,276 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:22,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:37:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:25,227 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:25,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 23:37:25,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:26,104 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 23:37:26,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:37:34,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:37:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:37:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:37:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:37:35,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:35,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:35,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:35,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:35,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:37:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:43,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:46,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 11413 conjuncts, 141 conjunts are in the unsatisfiable core [2023-12-02 23:37:46,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:48,484 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 23:37:48,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:37:57,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:08,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.65s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:20,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:24,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:26,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:37,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.85s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:38:47,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:38:51,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:38:51,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:51,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 23:38:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 23:38:51,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:38:51,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:51,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:51,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:51,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:51,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:39:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:05,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:39:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:39:10,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 22354 conjuncts, 268 conjunts are in the unsatisfiable core [2023-12-02 23:39:11,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:39:16,270 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 23:39:16,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:39:27,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:41,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:44,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:39:57,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:09,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:19,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:29,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:40,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:57,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:00,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:10,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:13,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:15,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:17,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:27,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:37,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:47,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 18 states and 45 transitions. [2023-12-02 23:41:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 45 transitions. [2023-12-02 23:41:48,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:41:48,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:48,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:48,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:48,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:48,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:42:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:01,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:06,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 22354 conjuncts, 268 conjunts are in the unsatisfiable core [2023-12-02 23:42:06,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:10,087 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 23:42:10,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:42:24,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:42:37,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:42:45,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:42:55,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:43:05,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:43:10,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:43:12,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:43:16,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:43:16,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:16,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 19 states and 47 transitions. [2023-12-02 23:43:16,669 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 47 transitions. [2023-12-02 23:43:16,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:43:16,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:16,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:16,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:16,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:16,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:43:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:31,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:37,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 22354 conjuncts, 268 conjunts are in the unsatisfiable core [2023-12-02 23:43:37,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:40,996 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 23:43:41,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:43:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:41,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 19 states and 47 transitions. [2023-12-02 23:43:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 47 transitions. [2023-12-02 23:43:41,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:43:41,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:41,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:41,155 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:41,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:43:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:55,030 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:00,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 22354 conjuncts, 268 conjunts are in the unsatisfiable core [2023-12-02 23:44:00,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:04,041 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 23:44:04,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:44:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 19 states and 47 transitions. [2023-12-02 23:44:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 47 transitions. [2023-12-02 23:44:04,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:44:04,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:04,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:04,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:04,195 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:04,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e5ee818-327d-44db-b020-c172d11d000d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:44:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:17,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported