./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b --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 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:00:33,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:00:33,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:00:33,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:00:33,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:00:33,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:00:33,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:00:33,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:00:33,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:00:33,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:00:33,860 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:00:33,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:00:33,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:00:33,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:00:33,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:00:33,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:00:33,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:00:33,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:00:33,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:00:33,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:00:33,862 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:00:33,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:00:33,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:00:33,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:00:33,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b 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 -> 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 [2024-12-05 22:00:34,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:00:34,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:00:34,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:00:34,114 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:00:34,115 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:00:34,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-12-05 22:00:36,696 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/67e50fa65/5f083857bb5d4a59a0e71251e7ec269d/FLAG6ed605cc0 [2024-12-05 22:00:36,956 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:00:36,957 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-12-05 22:00:36,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/67e50fa65/5f083857bb5d4a59a0e71251e7ec269d/FLAG6ed605cc0 [2024-12-05 22:00:37,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/67e50fa65/5f083857bb5d4a59a0e71251e7ec269d [2024-12-05 22:00:37,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:00:37,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:00:37,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:00:37,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:00:37,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:00:37,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:37,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5197c0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37, skipping insertion in model container [2024-12-05 22:00:37,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:37,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:00:37,459 WARN L250 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_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-12-05 22:00:37,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:00:37,670 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:00:37,677 WARN L250 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_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-12-05 22:00:37,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:00:37,800 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:00:37,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37 WrapperNode [2024-12-05 22:00:37,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:00:37,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:00:37,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:00:37,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:00:37,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:37,834 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,163 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3784 [2024-12-05 22:00:38,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:00:38,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:00:38,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:00:38,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:00:38,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,436 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:00:38,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:00:38,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:00:38,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:00:38,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:37" (1/1) ... [2024-12-05 22:00:38,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:00:38,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:00:38,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:00:38,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:00:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:00:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:00:38,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:00:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:00:38,801 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:00:38,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:00:42,425 INFO L? ?]: Removed 2119 outVars from TransFormulas that were not future-live. [2024-12-05 22:00:42,425 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:00:46,912 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:00:46,912 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:00:46,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:46 BoogieIcfgContainer [2024-12-05 22:00:46,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:00:46,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:00:46,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:00:46,920 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:00:46,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:46" (1/1) ... [2024-12-05 22:00:46,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:00:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:00:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:00:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:00:46,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:46,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:00:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:00:47,343 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:00:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:00:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:00:47,869 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:00:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:00:48,272 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:00:48,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:00:48 ImpRootNode [2024-12-05 22:00:48,298 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:00:48,299 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:00:48,299 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:00:48,299 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:00:48,300 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:46" (3/4) ... [2024-12-05 22:00:48,302 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:00:48,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:00:48,303 INFO L158 Benchmark]: Toolchain (without parser) took 11024.30ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 116.0MB in the beginning and 582.9MB in the end (delta: -467.0MB). Peak memory consumption was 673.9MB. Max. memory is 16.1GB. [2024-12-05 22:00:48,304 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:00:48,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.57ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 64.9MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-05 22:00:48,305 INFO L158 Benchmark]: Boogie Procedure Inliner took 361.50ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 64.9MB in the beginning and 54.9MB in the end (delta: 10.0MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2024-12-05 22:00:48,305 INFO L158 Benchmark]: Boogie Preprocessor took 338.94ms. Allocated memory was 151.0MB in the beginning and 402.7MB in the end (delta: 251.7MB). Free memory was 54.9MB in the beginning and 288.6MB in the end (delta: -233.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-12-05 22:00:48,306 INFO L158 Benchmark]: RCFGBuilder took 8409.12ms. Allocated memory was 402.7MB in the beginning and 1.3GB in the end (delta: 880.8MB). Free memory was 288.6MB in the beginning and 696.4MB in the end (delta: -407.8MB). Peak memory consumption was 587.1MB. Max. memory is 16.1GB. [2024-12-05 22:00:48,306 INFO L158 Benchmark]: CodeCheck took 1385.64ms. Allocated memory is still 1.3GB. Free memory was 696.4MB in the beginning and 582.9MB in the end (delta: 113.5MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-12-05 22:00:48,306 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 1.3GB. Free memory is still 582.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:00:48,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 70, overapproximation of bitwiseAnd at line 128. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_14 = 0; [L40] const SORT_4 var_43 = 1; [L41] const SORT_4 var_44 = 0; [L42] const SORT_2 var_54 = 0; [L43] const SORT_2 var_56 = 3; [L44] const SORT_2 var_59 = 2; [L45] const SORT_2 var_62 = 1; [L46] const SORT_2 var_70 = 255; [L47] const SORT_3 var_74 = 0; [L48] const SORT_4 var_78 = 255; [L50] SORT_1 input_53; [L51] SORT_1 input_55; [L52] SORT_1 input_57; [L53] SORT_1 input_58; [L54] SORT_1 input_60; [L55] SORT_1 input_61; [L56] SORT_1 input_71; [L57] SORT_1 input_72; [L58] SORT_1 input_73; [L59] SORT_1 input_90; [L60] SORT_1 input_91; [L61] SORT_1 input_106; [L62] SORT_1 input_107; [L63] SORT_1 input_124; [L64] SORT_1 input_132; [L65] SORT_1 input_140; [L66] SORT_1 input_148; [L67] SORT_1 input_156; [L68] SORT_1 input_164; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L70] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L71] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L72] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L73] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] SORT_2 init_7_arg_1 = var_5; [L90] state_6 = init_7_arg_1 [L91] SORT_2 init_9_arg_1 = var_5; [L92] state_8 = init_9_arg_1 [L93] SORT_2 init_11_arg_1 = var_5; [L94] state_10 = init_11_arg_1 [L95] SORT_2 init_13_arg_1 = var_5; [L96] state_12 = init_13_arg_1 [L97] SORT_1 init_16_arg_1 = var_14; [L98] state_15 = init_16_arg_1 [L99] SORT_1 init_18_arg_1 = var_14; [L100] state_17 = init_18_arg_1 [L101] SORT_1 init_20_arg_1 = var_14; [L102] state_19 = init_20_arg_1 [L103] SORT_1 init_22_arg_1 = var_14; [L104] state_21 = init_22_arg_1 [L105] SORT_1 init_24_arg_1 = var_14; [L106] state_23 = init_24_arg_1 [L107] SORT_1 init_26_arg_1 = var_14; [L108] state_25 = init_26_arg_1 [L109] SORT_1 init_28_arg_1 = var_14; [L110] state_27 = init_28_arg_1 [L111] SORT_1 init_30_arg_1 = var_14; [L112] state_29 = init_30_arg_1 [L113] SORT_1 init_32_arg_1 = var_14; [L114] state_31 = init_32_arg_1 [L115] SORT_1 init_34_arg_1 = var_14; [L116] state_33 = init_34_arg_1 [L117] SORT_1 init_36_arg_1 = var_14; [L118] state_35 = init_36_arg_1 [L119] SORT_1 init_38_arg_1 = var_14; [L120] state_37 = init_38_arg_1 [L121] SORT_1 init_40_arg_1 = var_14; [L122] state_39 = init_40_arg_1 [L123] SORT_1 init_42_arg_1 = var_14; [L124] state_41 = init_42_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_43=1, var_44=0, var_54=0, var_56=3, var_59=2, var_62=1, var_70=255, var_74=0, var_78=255] [L127] input_53 = __VERIFIER_nondet_uchar() [L128] EXPR input_53 & mask_SORT_1 [L128] input_53 = input_53 & mask_SORT_1 [L129] input_55 = __VERIFIER_nondet_uchar() [L130] EXPR input_55 & mask_SORT_1 [L130] input_55 = input_55 & mask_SORT_1 [L131] input_57 = __VERIFIER_nondet_uchar() [L132] EXPR input_57 & mask_SORT_1 [L132] input_57 = input_57 & mask_SORT_1 [L133] input_58 = __VERIFIER_nondet_uchar() [L134] EXPR input_58 & mask_SORT_1 [L134] input_58 = input_58 & mask_SORT_1 [L135] input_60 = __VERIFIER_nondet_uchar() [L136] EXPR input_60 & mask_SORT_1 [L136] input_60 = input_60 & mask_SORT_1 [L137] input_61 = __VERIFIER_nondet_uchar() [L138] EXPR input_61 & mask_SORT_1 [L138] input_61 = input_61 & mask_SORT_1 [L139] input_71 = __VERIFIER_nondet_uchar() [L140] EXPR input_71 & mask_SORT_1 [L140] input_71 = input_71 & mask_SORT_1 [L141] input_72 = __VERIFIER_nondet_uchar() [L142] EXPR input_72 & mask_SORT_1 [L142] input_72 = input_72 & mask_SORT_1 [L143] input_73 = __VERIFIER_nondet_uchar() [L144] EXPR input_73 & mask_SORT_1 [L144] input_73 = input_73 & mask_SORT_1 [L145] input_90 = __VERIFIER_nondet_uchar() [L146] EXPR input_90 & mask_SORT_1 [L146] input_90 = input_90 & mask_SORT_1 [L147] input_91 = __VERIFIER_nondet_uchar() [L148] EXPR input_91 & mask_SORT_1 [L148] input_91 = input_91 & mask_SORT_1 [L149] input_106 = __VERIFIER_nondet_uchar() [L150] EXPR input_106 & mask_SORT_1 [L150] input_106 = input_106 & mask_SORT_1 [L151] input_107 = __VERIFIER_nondet_uchar() [L152] EXPR input_107 & mask_SORT_1 [L152] input_107 = input_107 & mask_SORT_1 [L153] input_124 = __VERIFIER_nondet_uchar() [L154] input_132 = __VERIFIER_nondet_uchar() [L155] input_140 = __VERIFIER_nondet_uchar() [L156] input_148 = __VERIFIER_nondet_uchar() [L157] input_156 = __VERIFIER_nondet_uchar() [L158] input_164 = __VERIFIER_nondet_uchar() [L161] SORT_1 var_45_arg_0 = state_23; [L162] SORT_4 var_45_arg_1 = var_43; [L163] SORT_4 var_45_arg_2 = var_44; [L164] SORT_4 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L165] SORT_1 var_46_arg_0 = state_31; [L166] SORT_4 var_46_arg_1 = var_43; [L167] SORT_4 var_46_arg_2 = var_44; [L168] SORT_4 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L169] SORT_4 var_47_arg_0 = var_45; [L170] SORT_4 var_47_arg_1 = var_46; [L171] SORT_4 var_47 = var_47_arg_0 + var_47_arg_1; [L172] SORT_1 var_48_arg_0 = state_39; [L173] SORT_4 var_48_arg_1 = var_43; [L174] SORT_4 var_48_arg_2 = var_44; [L175] SORT_4 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L176] SORT_4 var_49_arg_0 = var_47; [L177] SORT_4 var_49_arg_1 = var_48; [L178] SORT_4 var_49 = var_49_arg_0 + var_49_arg_1; [L179] EXPR var_49 & mask_SORT_4 [L179] var_49 = var_49 & mask_SORT_4 [L180] SORT_4 var_50_arg_0 = var_49; [L181] SORT_4 var_50_arg_1 = var_43; [L182] SORT_1 var_50 = var_50_arg_0 <= var_50_arg_1; [L183] SORT_1 var_51_arg_0 = ~state_41; [L184] EXPR var_51_arg_0 & mask_SORT_1 [L184] var_51_arg_0 = var_51_arg_0 & mask_SORT_1 [L185] SORT_1 var_51_arg_1 = ~var_50; [L186] EXPR var_51_arg_1 & mask_SORT_1 [L186] var_51_arg_1 = var_51_arg_1 & mask_SORT_1 [L187] EXPR var_51_arg_0 & var_51_arg_1 [L187] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L188] EXPR var_51 & mask_SORT_1 [L188] var_51 = var_51 & mask_SORT_1 [L189] SORT_1 bad_52_arg_0 = var_51; [L190] CALL __VERIFIER_assert(!(bad_52_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.57ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 64.9MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 361.50ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 64.9MB in the beginning and 54.9MB in the end (delta: 10.0MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 338.94ms. Allocated memory was 151.0MB in the beginning and 402.7MB in the end (delta: 251.7MB). Free memory was 54.9MB in the beginning and 288.6MB in the end (delta: -233.7MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8409.12ms. Allocated memory was 402.7MB in the beginning and 1.3GB in the end (delta: 880.8MB). Free memory was 288.6MB in the beginning and 696.4MB in the end (delta: -407.8MB). Peak memory consumption was 587.1MB. Max. memory is 16.1GB. * CodeCheck took 1385.64ms. Allocated memory is still 1.3GB. Free memory was 696.4MB in the beginning and 582.9MB in the end (delta: 113.5MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 1.3GB. Free memory is still 582.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:00:48,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b --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 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:00:50,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:00:50,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:00:50,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:00:50,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:00:50,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:00:50,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:00:50,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:00:50,394 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:00:50,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:00:50,395 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:00:50,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:00:50,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:00:50,396 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:00:50,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b 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 -> 82abe2bc16b32af306db7c09a41c9db0587ba64425916c43bed05447e1d05407 [2024-12-05 22:00:50,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:00:50,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:00:50,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:00:50,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:00:50,633 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:00:50,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-12-05 22:00:53,295 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/486c51609/2dadfd01ea3a42ff99882f348dd87dde/FLAG06568c165 [2024-12-05 22:00:53,548 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:00:53,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c [2024-12-05 22:00:53,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/486c51609/2dadfd01ea3a42ff99882f348dd87dde/FLAG06568c165 [2024-12-05 22:00:53,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/data/486c51609/2dadfd01ea3a42ff99882f348dd87dde [2024-12-05 22:00:53,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:00:53,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:00:53,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:00:53,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:00:53,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:00:53,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:00:53" (1/1) ... [2024-12-05 22:00:53,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f29ebca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:53, skipping insertion in model container [2024-12-05 22:00:53,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:00:53" (1/1) ... [2024-12-05 22:00:53,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:00:53,737 WARN L250 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_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-12-05 22:00:53,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:00:53,933 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:00:53,942 WARN L250 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_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-func-interl.c[1174,1187] [2024-12-05 22:00:54,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:00:54,032 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:00:54,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54 WrapperNode [2024-12-05 22:00:54,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:00:54,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:00:54,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:00:54,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:00:54,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,114 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1148 [2024-12-05 22:00:54,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:00:54,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:00:54,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:00:54,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:00:54,122 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,154 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,176 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:00:54,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:00:54,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:00:54,177 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:00:54,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:00:54" (1/1) ... [2024-12-05 22:00:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:00:54,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:00:54,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:00:54,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:00:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:00:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:00:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:00:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:00:54,469 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:00:54,470 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:00:55,293 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-12-05 22:00:55,293 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:00:55,331 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:00:55,331 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:00:55,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:55 BoogieIcfgContainer [2024-12-05 22:00:55,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:00:55,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:00:55,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:00:55,339 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:00:55,339 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:00:55" (1/1) ... [2024-12-05 22:00:55,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:00:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:00:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:00:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:00:55,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:55,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:00:55,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:00:55,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:00:55,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:00:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:55,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:00:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:55,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:00:55,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:00:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:00:56,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:00:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:00:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:00:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:00:56,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:00:56,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:00:56,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:00:56,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:00:56,408 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:00:56,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:00:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:57,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:00:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:00:57,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 22:00:57,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:06:38,176 WARN L286 SmtUtils]: Spent 42.89s on a formula simplification that was a NOOP. DAG size: 1045 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:06:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:06:42,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 22:08:12,855 WARN L286 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 1051 DAG size of output: 1051 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:08:59,654 WARN L286 SmtUtils]: Spent 42.79s on a formula simplification that was a NOOP. DAG size: 1046 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:09:45,015 WARN L286 SmtUtils]: Spent 44.20s on a formula simplification that was a NOOP. DAG size: 1053 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:10:31,722 WARN L286 SmtUtils]: Spent 43.16s on a formula simplification that was a NOOP. DAG size: 1052 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:11:19,668 WARN L286 SmtUtils]: Spent 44.07s on a formula simplification that was a NOOP. DAG size: 1054 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 22:11:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:11:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-12-05 22:11:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-12-05 22:11:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:11:20,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:11:20,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:11:20,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:11:20,834 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:11:20,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6cb2f164-b8e9-4beb-9ad4-33ecf5a726d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:11:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:21,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:11:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:11:21,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 22:11:21,737 INFO L279 TraceCheckSpWp]: Computing forward predicates...