./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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 4218f83d8720e42f8aca95bc53f0e3596fa9d7dcb5b7fd0af0252eb620036e99 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:58,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:58,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:15:58,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:58,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:58,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:58,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:58,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:58,892 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:58,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:58,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:58,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:58,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:58,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:58,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:58,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:58,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:58,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:58,897 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:58,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:58,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:58,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:58,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:58,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:58,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:58,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:58,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:58,901 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:58,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:58,902 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:58,902 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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4218f83d8720e42f8aca95bc53f0e3596fa9d7dcb5b7fd0af0252eb620036e99 [2023-12-02 21:15:59,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:59,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:59,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:59,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:59,130 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:59,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c [2023-12-02 21:16:01,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:02,265 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:02,266 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c [2023-12-02 21:16:02,301 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data/d2ee9c92c/b425e0fdbf9340f8af44c9a013567d4b/FLAG2a4c03e60 [2023-12-02 21:16:02,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data/d2ee9c92c/b425e0fdbf9340f8af44c9a013567d4b [2023-12-02 21:16:02,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:02,318 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:02,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:02,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:02,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:02,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:02" (1/1) ... [2023-12-02 21:16:02,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e0d1bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:02, skipping insertion in model container [2023-12-02 21:16:02,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:02" (1/1) ... [2023-12-02 21:16:02,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:02,789 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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c[1176,1189] [2023-12-02 21:16:03,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:03,922 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:03,934 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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c[1176,1189] [2023-12-02 21:16:04,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:04,866 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:04,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04 WrapperNode [2023-12-02 21:16:04,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:04,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:04,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:04,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:04,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:05,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:07,214 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35529 [2023-12-02 21:16:07,214 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:07,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:07,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:07,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:07,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:07,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:07,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:07,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:08,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:08,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:08,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:08,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:09,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:09,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:09,366 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:09,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:09,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:09,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:09,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:09,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:09,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:09,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:11,206 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:11,305 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:36,250 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:17:40,432 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:17:40,433 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:17:40,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:40 BoogieIcfgContainer [2023-12-02 21:17:40,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:17:40,435 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:17:40,435 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:17:40,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:17:40,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:17:40" (1/1) ... [2023-12-02 21:17:40,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:17:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:17:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:17:40,493 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:17:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:17:40,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:17:40,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:17:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:17:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:18:03,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:18:13,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:18:24,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:26,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:28,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:38,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:18:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:18:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:18:38,447 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:18:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:18:38,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:18:38,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:18:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:18:56,466 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:18:56,470 INFO L158 Benchmark]: Toolchain (without parser) took 174151.49ms. Allocated memory was 161.5MB in the beginning and 12.4GB in the end (delta: 12.3GB). Free memory was 101.6MB in the beginning and 10.0GB in the end (delta: -9.9GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2023-12-02 21:18:56,471 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:18:56,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2547.96ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 101.6MB in the beginning and 147.2MB in the end (delta: -45.5MB). Peak memory consumption was 220.9MB. Max. memory is 16.1GB. [2023-12-02 21:18:56,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 2346.57ms. Allocated memory was 369.1MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 147.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 422.6MB. Max. memory is 16.1GB. [2023-12-02 21:18:56,473 INFO L158 Benchmark]: Boogie Preprocessor took 2150.27ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 174.1MB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. [2023-12-02 21:18:56,474 INFO L158 Benchmark]: RCFGBuilder took 91068.45ms. Allocated memory was 1.8GB in the beginning and 12.0GB in the end (delta: 10.2GB). Free memory was 1.1GB in the beginning and 9.4GB in the end (delta: -8.3GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2023-12-02 21:18:56,475 INFO L158 Benchmark]: CodeCheck took 76033.85ms. Allocated memory was 12.0GB in the beginning and 12.4GB in the end (delta: 398.5MB). Free memory was 9.4GB in the beginning and 10.0GB in the end (delta: -524.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-12-02 21:18:56,478 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 113.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2547.96ms. Allocated memory was 161.5MB in the beginning and 369.1MB in the end (delta: 207.6MB). Free memory was 101.6MB in the beginning and 147.2MB in the end (delta: -45.5MB). Peak memory consumption was 220.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2346.57ms. Allocated memory was 369.1MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 147.2MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 422.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2150.27ms. Allocated memory is still 1.8GB. Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 174.1MB). Peak memory consumption was 289.4MB. Max. memory is 16.1GB. * RCFGBuilder took 91068.45ms. Allocated memory was 1.8GB in the beginning and 12.0GB in the end (delta: 10.2GB). Free memory was 1.1GB in the beginning and 9.4GB in the end (delta: -8.3GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. * CodeCheck took 76033.85ms. Allocated memory was 12.0GB in the beginning and 12.4GB in the end (delta: 398.5MB). Free memory was 9.4GB in the beginning and 10.0GB in the end (delta: -524.7MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:18:56,690 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:18:56,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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 4218f83d8720e42f8aca95bc53f0e3596fa9d7dcb5b7fd0af0252eb620036e99 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:18:58,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:18:59,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:18:59,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:18:59,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:18:59,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:18:59,036 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:18:59,036 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:18:59,037 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:18:59,037 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:18:59,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:18:59,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:18:59,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:18:59,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:18:59,040 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:18:59,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:18:59,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:18:59,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:18:59,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:18:59,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:18:59,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:18:59,043 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:18:59,044 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:18:59,044 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:18:59,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:18:59,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:18:59,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:18:59,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:18:59,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:18:59,047 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:18:59,047 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:18:59,048 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:18:59,048 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:18:59,049 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:18:59,049 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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4218f83d8720e42f8aca95bc53f0e3596fa9d7dcb5b7fd0af0252eb620036e99 [2023-12-02 21:18:59,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:18:59,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:18:59,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:18:59,369 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:18:59,369 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:18:59,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c [2023-12-02 21:19:02,095 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:19:02,678 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:19:02,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c [2023-12-02 21:19:02,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data/94e519de4/0181cdab3fee4db0b5b83300c689f34b/FLAG152c39c4b [2023-12-02 21:19:02,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/data/94e519de4/0181cdab3fee4db0b5b83300c689f34b [2023-12-02 21:19:02,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:19:02,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:19:02,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:02,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:19:02,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:19:02,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:02" (1/1) ... [2023-12-02 21:19:02,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd03d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:02, skipping insertion in model container [2023-12-02 21:19:02,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:19:02" (1/1) ... [2023-12-02 21:19:02,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:19:03,322 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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c[1176,1189] [2023-12-02 21:19:04,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:04,393 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:19:04,409 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_6f06bd11-0b3d-4439-b3aa-10498746b3c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.rushhour.1.prop1-back-serstep.c[1176,1189] [2023-12-02 21:19:05,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:19:05,279 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:19:05,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05 WrapperNode [2023-12-02 21:19:05,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:19:05,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:05,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:19:05,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:19:05,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:05,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:05,897 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15171 [2023-12-02 21:19:05,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:19:05,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:19:05,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:19:05,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:19:05,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:05,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:05,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:05,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:06,230 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:06,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:06,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:06,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:06,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:19:06,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:19:06,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:19:06,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:19:06,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:19:05" (1/1) ... [2023-12-02 21:19:06,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:19:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:19:06,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:19:06,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:19:06,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:19:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:19:06,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:19:06,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:19:08,473 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:19:08,475 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:20:35,931 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:20:36,484 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:20:36,484 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:20:36,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:36 BoogieIcfgContainer [2023-12-02 21:20:36,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:20:36,487 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:20:36,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:20:36,496 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:20:36,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:20:36" (1/1) ... [2023-12-02 21:20:36,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:20:36,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:20:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:20:36,569 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:20:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:20:36,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:20:36,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:20:36,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:20:36,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:20:36,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:20:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:40,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:20:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:20:41,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:20:41,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:20:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:20:41,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:20:52,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:02,315 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 [] [2023-12-02 21:21:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:21:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:21:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:21:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:21:02,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:21:02,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:21:02,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:21:02,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:21:02,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:21:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:13,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:21:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:21:17,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 14447 conjuncts, 147 conjunts are in the unsatisfiable core [2023-12-02 21:21:17,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:21:18,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:21:18,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:21:29,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:41,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:21:53,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:03,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:13,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:23,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:33,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:43,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:22:54,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:06,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:16,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:23:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:16,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 21:23:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 21:23:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:23:16,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:16,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:23:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:23:16,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:23:16,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:23:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:44,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:24:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:24:01,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:24:01,161 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:24:01,165 INFO L158 Benchmark]: Toolchain (without parser) took 298423.18ms. Allocated memory was 111.1MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 74.7MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 550.9MB. Max. memory is 16.1GB. [2023-12-02 21:24:01,166 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 81.8MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:01,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2537.64ms. Allocated memory was 111.1MB in the beginning and 398.5MB in the end (delta: 287.3MB). Free memory was 74.4MB in the beginning and 233.1MB in the end (delta: -158.7MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. [2023-12-02 21:24:01,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 616.94ms. Allocated memory is still 398.5MB. Free memory was 233.1MB in the beginning and 175.2MB in the end (delta: 57.9MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2023-12-02 21:24:01,169 INFO L158 Benchmark]: Boogie Preprocessor took 608.74ms. Allocated memory is still 398.5MB. Free memory was 175.2MB in the beginning and 185.9MB in the end (delta: -10.7MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2023-12-02 21:24:01,169 INFO L158 Benchmark]: RCFGBuilder took 89977.44ms. Allocated memory was 398.5MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 185.9MB in the beginning and 991.9MB in the end (delta: -806.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2023-12-02 21:24:01,170 INFO L158 Benchmark]: CodeCheck took 204677.53ms. Allocated memory is still 2.2GB. Free memory was 991.9MB in the beginning and 1.7GB in the end (delta: -708.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:24:01,174 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 0.29ms. Allocated memory is still 81.8MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2537.64ms. Allocated memory was 111.1MB in the beginning and 398.5MB in the end (delta: 287.3MB). Free memory was 74.4MB in the beginning and 233.1MB in the end (delta: -158.7MB). Peak memory consumption was 128.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 616.94ms. Allocated memory is still 398.5MB. Free memory was 233.1MB in the beginning and 175.2MB in the end (delta: 57.9MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 608.74ms. Allocated memory is still 398.5MB. Free memory was 175.2MB in the beginning and 185.9MB in the end (delta: -10.7MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * RCFGBuilder took 89977.44ms. Allocated memory was 398.5MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 185.9MB in the beginning and 991.9MB in the end (delta: -806.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 204677.53ms. Allocated memory is still 2.2GB. Free memory was 991.9MB in the beginning and 1.7GB in the end (delta: -708.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:24:01,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f06bd11-0b3d-4439-b3aa-10498746b3c3/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown