./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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 4e4e769dce021dda0681c8af49e06e5ca2aeacdff771cedb60b26eae2c763b23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:50:38,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:50:38,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:50:38,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:50:38,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:50:38,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:50:38,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:50:38,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:50:38,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:50:38,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:50:38,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:50:38,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:50:38,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:50:38,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:50:38,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:50:38,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:50:38,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:50:38,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:50:38,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:50:38,859 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:50:38,859 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:50:38,860 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:50:38,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:50:38,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:38,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:50:38,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:50:38,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:50:38,863 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:50:38,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:50:38,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:50:38,864 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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4e769dce021dda0681c8af49e06e5ca2aeacdff771cedb60b26eae2c763b23 [2023-12-02 21:50:39,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:50:39,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:50:39,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:50:39,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:50:39,083 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:50:39,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c [2023-12-02 21:50:41,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:50:42,469 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:50:42,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c [2023-12-02 21:50:42,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data/78390be9c/3c04de6c16a2464b8c8e97ca4928e954/FLAG8ffa63aa0 [2023-12-02 21:50:42,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data/78390be9c/3c04de6c16a2464b8c8e97ca4928e954 [2023-12-02 21:50:42,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:50:42,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:50:42,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:42,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:50:42,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:50:42,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:42" (1/1) ... [2023-12-02 21:50:42,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fe3a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:42, skipping insertion in model container [2023-12-02 21:50:42,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:50:42" (1/1) ... [2023-12-02 21:50:42,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:50:43,097 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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c[1181,1194] [2023-12-02 21:50:44,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:44,726 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:50:44,740 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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c[1181,1194] [2023-12-02 21:50:45,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:50:45,851 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:50:45,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45 WrapperNode [2023-12-02 21:50:45,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:50:45,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:45,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:50:45,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:50:45,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:46,214 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:50,054 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63790 [2023-12-02 21:50:50,054 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:50:50,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:50:50,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:50:50,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:50:50,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:50,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:51,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:51,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:52,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:52,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:52,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:52,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:53,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:50:53,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:50:53,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:50:53,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:50:53,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:50:45" (1/1) ... [2023-12-02 21:50:53,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:50:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:50:53,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:50:53,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:50:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:50:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:50:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:50:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:50:55,581 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:50:55,583 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:51:22,622 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:54:13,250 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:54:13,250 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:54:13,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:13 BoogieIcfgContainer [2023-12-02 21:54:13,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:54:13,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:54:13,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:54:13,261 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:54:13,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:54:13" (1/1) ... [2023-12-02 21:54:13,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:54:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:54:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:54:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:54:13,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:13,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:23,514 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 21:55:38,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:55:48,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:55:49,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:00,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:10,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:20,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:27,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:37,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:47,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:56:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:56:47,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:56:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:56:47,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:47,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:57:18,208 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 21:57:18,211 INFO L158 Benchmark]: Toolchain (without parser) took 395671.44ms. Allocated memory was 148.9MB in the beginning and 15.1GB in the end (delta: 14.9GB). Free memory was 87.5MB in the beginning and 11.3GB in the end (delta: -11.3GB). Peak memory consumption was 4.4GB. Max. memory is 16.1GB. [2023-12-02 21:57:18,212 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 100.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:57:18,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3311.05ms. Allocated memory was 148.9MB in the beginning and 515.9MB in the end (delta: 367.0MB). Free memory was 87.5MB in the beginning and 190.1MB in the end (delta: -102.6MB). Peak memory consumption was 276.1MB. Max. memory is 16.1GB. [2023-12-02 21:57:18,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 4201.83ms. Allocated memory was 515.9MB in the beginning and 3.7GB in the end (delta: 3.2GB). Free memory was 190.1MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 847.2MB. Max. memory is 16.1GB. [2023-12-02 21:57:18,214 INFO L158 Benchmark]: Boogie Preprocessor took 3327.40ms. Allocated memory was 3.7GB in the beginning and 8.7GB in the end (delta: 5.0GB). Free memory was 2.7GB in the beginning and 7.2GB in the end (delta: -4.5GB). Peak memory consumption was 429.9MB. Max. memory is 16.1GB. [2023-12-02 21:57:18,214 INFO L158 Benchmark]: RCFGBuilder took 199869.10ms. Allocated memory was 8.7GB in the beginning and 14.9GB in the end (delta: 6.2GB). Free memory was 7.2GB in the beginning and 11.1GB in the end (delta: -3.8GB). Peak memory consumption was 5.1GB. Max. memory is 16.1GB. [2023-12-02 21:57:18,215 INFO L158 Benchmark]: CodeCheck took 184957.08ms. Allocated memory was 14.9GB in the beginning and 15.1GB in the end (delta: 205.5MB). Free memory was 11.1GB in the beginning and 11.3GB in the end (delta: -288.3MB). Peak memory consumption was 619.7MB. Max. memory is 16.1GB. [2023-12-02 21:57:18,220 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 0.21ms. Allocated memory is still 109.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 100.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3311.05ms. Allocated memory was 148.9MB in the beginning and 515.9MB in the end (delta: 367.0MB). Free memory was 87.5MB in the beginning and 190.1MB in the end (delta: -102.6MB). Peak memory consumption was 276.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4201.83ms. Allocated memory was 515.9MB in the beginning and 3.7GB in the end (delta: 3.2GB). Free memory was 190.1MB in the beginning and 2.7GB in the end (delta: -2.5GB). Peak memory consumption was 847.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3327.40ms. Allocated memory was 3.7GB in the beginning and 8.7GB in the end (delta: 5.0GB). Free memory was 2.7GB in the beginning and 7.2GB in the end (delta: -4.5GB). Peak memory consumption was 429.9MB. Max. memory is 16.1GB. * RCFGBuilder took 199869.10ms. Allocated memory was 8.7GB in the beginning and 14.9GB in the end (delta: 6.2GB). Free memory was 7.2GB in the beginning and 11.1GB in the end (delta: -3.8GB). Peak memory consumption was 5.1GB. Max. memory is 16.1GB. * CodeCheck took 184957.08ms. Allocated memory was 14.9GB in the beginning and 15.1GB in the end (delta: 205.5MB). Free memory was 11.1GB in the beginning and 11.3GB in the end (delta: -288.3MB). Peak memory consumption was 619.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:57:18,433 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:57:18,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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 4e4e769dce021dda0681c8af49e06e5ca2aeacdff771cedb60b26eae2c763b23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:57:20,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:57:20,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:57:20,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:57:20,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:57:20,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:57:20,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:57:20,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:57:20,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:57:20,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:57:20,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:57:20,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:57:20,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:57:20,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:57:20,989 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:57:20,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:57:20,990 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:57:20,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:57:20,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:57:20,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:57:20,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:57:20,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:57:20,994 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:20,995 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:57:20,995 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:57:20,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:57:20,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:57:20,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:57:20,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:57:20,997 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:57:20,998 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:57:20,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:57:20,998 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:57:20,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:57:20,999 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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4e769dce021dda0681c8af49e06e5ca2aeacdff771cedb60b26eae2c763b23 [2023-12-02 21:57:21,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:57:21,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:57:21,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:57:21,335 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:57:21,335 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:57:21,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c [2023-12-02 21:57:24,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:57:24,621 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:57:24,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c [2023-12-02 21:57:24,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data/9ac2cbd9a/e301277992d34f6fb487cfa07d6f6234/FLAG17a418cb9 [2023-12-02 21:57:24,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/data/9ac2cbd9a/e301277992d34f6fb487cfa07d6f6234 [2023-12-02 21:57:24,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:57:24,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:57:24,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:57:24,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:57:24,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:57:24,690 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:57:24" (1/1) ... [2023-12-02 21:57:24,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ad4095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:24, skipping insertion in model container [2023-12-02 21:57:24,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:57:24" (1/1) ... [2023-12-02 21:57:24,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:57:25,183 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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c[1181,1194] [2023-12-02 21:57:26,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:57:26,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:57:26,287 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_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.firewire_tree.2.prop1-back-serstep.c[1181,1194] [2023-12-02 21:57:27,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:57:27,081 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:57:27,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27 WrapperNode [2023-12-02 21:57:27,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:57:27,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:57:27,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:57:27,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:57:27,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:27,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:27,801 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 16849 [2023-12-02 21:57:27,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:57:27,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:57:27,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:57:27,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:57:27,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:27,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,360 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:57:28,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:57:28,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:57:28,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:57:28,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:27" (1/1) ... [2023-12-02 21:57:28,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:57:28,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:57:28,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:57:28,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:57:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:57:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:57:28,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:57:28,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:57:30,226 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:57:30,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:59:06,926 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:59:07,550 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:59:07,550 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:59:07,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:59:07 BoogieIcfgContainer [2023-12-02 21:59:07,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:59:07,552 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:59:07,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:59:07,560 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:59:07,560 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:59:07" (1/1) ... [2023-12-02 21:59:07,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:59:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:07,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:59:07,611 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:59:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:59:07,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:07,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:07,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:07,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:07,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:59:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:11,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:12,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 1463 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:59:12,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:12,558 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 21:59:12,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:59:23,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:59:33,550 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 [] [2023-12-02 21:59:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:34,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:59:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:59:34,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:59:34,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:34,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:59:34,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:59:34,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:59:34,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:59:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:45,214 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:59:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:49,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 14555 conjuncts, 119 conjunts are in the unsatisfiable core [2023-12-02 21:59:49,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:51,489 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 21:59:51,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:00:03,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:14,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:27,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:37,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:00:47,406 WARN L539 Checker$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 22:00:53,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:01:07,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:01:18,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:01:28,595 WARN L539 Checker$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 22:01:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 22:01:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 22:01:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:01:29,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:29,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:01:29,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:01:29,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:01:29,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:01:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:50,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:02:06,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:02:06,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:02:06,468 INFO L158 Benchmark]: Toolchain (without parser) took 281783.49ms. Allocated memory was 123.7MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 76.6MB in the beginning and 949.4MB in the end (delta: -872.8MB). Peak memory consumption was 900.8MB. Max. memory is 16.1GB. [2023-12-02 22:02:06,468 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:06,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2397.19ms. Allocated memory was 123.7MB in the beginning and 230.7MB in the end (delta: 107.0MB). Free memory was 76.3MB in the beginning and 82.9MB in the end (delta: -6.7MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. [2023-12-02 22:02:06,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 718.82ms. Allocated memory was 230.7MB in the beginning and 427.8MB in the end (delta: 197.1MB). Free memory was 82.9MB in the beginning and 195.8MB in the end (delta: -112.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2023-12-02 22:02:06,471 INFO L158 Benchmark]: Boogie Preprocessor took 655.49ms. Allocated memory is still 427.8MB. Free memory was 195.8MB in the beginning and 189.1MB in the end (delta: 6.7MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-12-02 22:02:06,471 INFO L158 Benchmark]: RCFGBuilder took 99092.81ms. Allocated memory was 427.8MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 189.1MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-12-02 22:02:06,472 INFO L158 Benchmark]: CodeCheck took 178914.58ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 949.4MB in the end (delta: 421.4MB). Peak memory consumption was 642.7MB. Max. memory is 16.1GB. [2023-12-02 22:02:06,475 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 45.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2397.19ms. Allocated memory was 123.7MB in the beginning and 230.7MB in the end (delta: 107.0MB). Free memory was 76.3MB in the beginning and 82.9MB in the end (delta: -6.7MB). Peak memory consumption was 136.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 718.82ms. Allocated memory was 230.7MB in the beginning and 427.8MB in the end (delta: 197.1MB). Free memory was 82.9MB in the beginning and 195.8MB in the end (delta: -112.9MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 655.49ms. Allocated memory is still 427.8MB. Free memory was 195.8MB in the beginning and 189.1MB in the end (delta: 6.7MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. * RCFGBuilder took 99092.81ms. Allocated memory was 427.8MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 189.1MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 178914.58ms. Allocated memory is still 1.7GB. Free memory was 1.4GB in the beginning and 949.4MB in the end (delta: 421.4MB). Peak memory consumption was 642.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:02:06,687 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:02:06,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2683749-f18a-4bce-9fd1-a5ab267b5ed4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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