./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk --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 15425aa6654beb07a34b1b965801c7ecc1d4191dffdd0be9b30f22fe68762380 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:25:30,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:25:30,252 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 19:25:30,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:25:30,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:25:30,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:25:30,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:25:30,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:25:30,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:25:30,298 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:25:30,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:25:30,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:25:30,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:25:30,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:25:30,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:25:30,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:25:30,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:25:30,307 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:25:30,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:25:30,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:25:30,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:25:30,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:25:30,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:25:30,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:25:30,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:30,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:25:30,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:25:30,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:25:30,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:25:30,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:25:30,315 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_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15425aa6654beb07a34b1b965801c7ecc1d4191dffdd0be9b30f22fe68762380 [2024-11-08 19:25:30,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:25:30,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:25:30,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:25:30,745 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:25:30,746 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:25:30,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c Unable to find full path for "g++" [2024-11-08 19:25:33,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:25:33,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:25:33,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c [2024-11-08 19:25:33,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data/c6dc310f7/80383ef6986849e3a60d123e9bcc5130/FLAG468777f32 [2024-11-08 19:25:33,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data/c6dc310f7/80383ef6986849e3a60d123e9bcc5130 [2024-11-08 19:25:33,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:25:33,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:25:33,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:33,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:25:33,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:25:33,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:33" (1/1) ... [2024-11-08 19:25:33,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@520e21e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:33, skipping insertion in model container [2024-11-08 19:25:33,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:25:33" (1/1) ... [2024-11-08 19:25:33,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:25:34,252 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_8d951c9a-3d0a-4489-afa9-ba33d2892ece/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c[1324,1337] [2024-11-08 19:25:35,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:35,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:25:35,062 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_8d951c9a-3d0a-4489-afa9-ba33d2892ece/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c[1324,1337] [2024-11-08 19:25:35,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:25:35,366 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:25:35,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35 WrapperNode [2024-11-08 19:25:35,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:25:35,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:35,369 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:25:35,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:25:35,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:35,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:36,572 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6733 [2024-11-08 19:25:36,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:25:36,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:25:36,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:25:36,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:25:36,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:36,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:36,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:36,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:37,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:37,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:37,362 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:37,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:37,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:25:37,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:25:37,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:25:37,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:25:37,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:25:35" (1/1) ... [2024-11-08 19:25:37,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:25:37,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:25:37,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:25:37,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:25:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:25:37,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:25:37,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:25:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:25:37,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:25:37,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:25:38,410 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:25:38,413 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:25:51,138 INFO L? ?]: Removed 3659 outVars from TransFormulas that were not future-live. [2024-11-08 19:25:51,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:26:04,404 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:26:04,406 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:26:04,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:04 BoogieIcfgContainer [2024-11-08 19:26:04,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:26:04,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:26:04,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:26:04,424 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:26:04,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:26:04" (1/1) ... [2024-11-08 19:26:04,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:26:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:04,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-08 19:26:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-08 19:26:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:26:04,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:04,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-08 19:26:43,995 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 [] [2024-11-08 19:26:54,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:05,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:15,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:25,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:35,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:45,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:27:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2024-11-08 19:27:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-08 19:27:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:27:45,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:28:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-08 19:28:15,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:28:25,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:28:37,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:28:47,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:28:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:28:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2024-11-08 19:28:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-08 19:28:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:28:47,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:28:47,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:29:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:17,701 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-08 19:29:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:29:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2024-11-08 19:29:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-08 19:29:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:29:17,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:29:17,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:29:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:28,078 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-08 19:29:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:29:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 88 transitions. [2024-11-08 19:29:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-08 19:29:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:29:28,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:29:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:29:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:29:52,827 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-08 19:30:04,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:30:14,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:30:18,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:30:23,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:30:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:30:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 62 states and 87 transitions. [2024-11-08 19:30:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2024-11-08 19:30:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:30:23,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:30:23,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:33:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:33:24,184 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:36:57,572 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:485) 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) [2024-11-08 19:36:57,576 INFO L158 Benchmark]: Toolchain (without parser) took 683731.56ms. Allocated memory was 157.3MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 122.0MB in the beginning and 5.1GB in the end (delta: -4.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-11-08 19:36:57,576 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 109.1MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:57,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1521.58ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 122.0MB in the beginning and 113.3MB in the end (delta: 8.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-08 19:36:57,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 1204.17ms. Allocated memory was 205.5MB in the beginning and 411.0MB in the end (delta: 205.5MB). Free memory was 113.3MB in the beginning and 273.6MB in the end (delta: -160.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. [2024-11-08 19:36:57,578 INFO L158 Benchmark]: Boogie Preprocessor took 1015.75ms. Allocated memory is still 411.0MB. Free memory was 273.6MB in the beginning and 252.0MB in the end (delta: 21.6MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2024-11-08 19:36:57,579 INFO L158 Benchmark]: RCFGBuilder took 26816.10ms. Allocated memory was 411.0MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 252.0MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 956.3MB. Max. memory is 16.1GB. [2024-11-08 19:36:57,580 INFO L158 Benchmark]: CodeCheck took 653166.25ms. Allocated memory was 3.2GB in the beginning and 6.7GB in the end (delta: 3.5GB). Free memory was 2.6GB in the beginning and 5.1GB in the end (delta: -2.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-08 19:36:57,583 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 109.1MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1521.58ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 122.0MB in the beginning and 113.3MB in the end (delta: 8.7MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1204.17ms. Allocated memory was 205.5MB in the beginning and 411.0MB in the end (delta: 205.5MB). Free memory was 113.3MB in the beginning and 273.6MB in the end (delta: -160.4MB). Peak memory consumption was 68.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1015.75ms. Allocated memory is still 411.0MB. Free memory was 273.6MB in the beginning and 252.0MB in the end (delta: 21.6MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * RCFGBuilder took 26816.10ms. Allocated memory was 411.0MB in the beginning and 3.2GB in the end (delta: 2.8GB). Free memory was 252.0MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 956.3MB. Max. memory is 16.1GB. * CodeCheck took 653166.25ms. Allocated memory was 3.2GB in the beginning and 6.7GB in the end (delta: 3.5GB). Free memory was 2.6GB in the beginning and 5.1GB in the end (delta: -2.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:36:57,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk --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 15425aa6654beb07a34b1b965801c7ecc1d4191dffdd0be9b30f22fe68762380 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:37:00,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:37:00,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 19:37:00,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:37:00,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:37:00,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:37:00,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:37:00,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:37:00,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:37:00,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:37:00,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:37:00,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:37:00,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:37:00,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:37:00,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:37:00,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:37:00,931 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:37:00,931 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:37:00,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:37:00,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:37:00,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:37:00,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:37:00,940 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:37:00,941 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:00,941 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:37:00,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:37:00,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:37:00,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:37:00,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:37:00,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:37:00,943 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:37:00,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:00,944 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:37:00,944 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_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15425aa6654beb07a34b1b965801c7ecc1d4191dffdd0be9b30f22fe68762380 [2024-11-08 19:37:01,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:37:01,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:37:01,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:37:01,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:37:01,370 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:37:01,371 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c Unable to find full path for "g++" [2024-11-08 19:37:03,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:37:04,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:37:04,018 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c [2024-11-08 19:37:04,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data/1f1fe3e79/1875208559574f04902f1eac526e1ea0/FLAG822dc1207 [2024-11-08 19:37:04,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/data/1f1fe3e79/1875208559574f04902f1eac526e1ea0 [2024-11-08 19:37:04,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:37:04,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:37:04,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:37:04,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:37:04,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:37:04,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:37:04" (1/1) ... [2024-11-08 19:37:04,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@777da9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:04, skipping insertion in model container [2024-11-08 19:37:04,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:37:04" (1/1) ... [2024-11-08 19:37:04,177 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:37:04,439 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_8d951c9a-3d0a-4489-afa9-ba33d2892ece/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c[1324,1337] [2024-11-08 19:37:05,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:37:05,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:37:05,076 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_8d951c9a-3d0a-4489-afa9-ba33d2892ece/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d8_e0.c[1324,1337] [2024-11-08 19:37:05,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:37:05,353 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:37:05,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05 WrapperNode [2024-11-08 19:37:05,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:37:05,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:37:05,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:37:05,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:37:05,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,542 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2453 [2024-11-08 19:37:05,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:37:05,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:37:05,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:37:05,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:37:05,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,696 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:37:05,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:37:05,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:37:05,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:37:05,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:37:05" (1/1) ... [2024-11-08 19:37:05,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:37:05,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:37:05,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:37:05,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:37:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:37:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:37:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:37:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:37:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:37:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:37:06,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:37:06,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:37:09,720 INFO L? ?]: Removed 978 outVars from TransFormulas that were not future-live. [2024-11-08 19:37:09,721 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:37:09,913 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:37:09,913 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:37:09,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:09 BoogieIcfgContainer [2024-11-08 19:37:09,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:37:09,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:37:09,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:37:09,926 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:37:09,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:37:09" (1/1) ... [2024-11-08 19:37:09,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:37:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-08 19:37:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-08 19:37:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-08 19:37:10,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:10,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:10,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:10,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:10,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:37:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:12,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:13,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:37:13,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:37:14,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:37:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-08 19:37:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-08 19:37:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 19:37:15,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:15,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:15,845 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:15,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:37:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:19,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:20,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 2190 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 19:37:20,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:37:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-08 19:37:23,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:37:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:37:29,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 175 transitions. [2024-11-08 19:37:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2024-11-08 19:37:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 19:37:29,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:37:29,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:37:29,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:37:29,890 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:37:29,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d951c9a-3d0a-4489-afa9-ba33d2892ece/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:37:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:34,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:37:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:37:36,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 3256 conjuncts, 137 conjuncts are in the unsatisfiable core [2024-11-08 19:37:36,561 INFO L278 TraceCheckSpWp]: Computing forward predicates...