./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/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_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/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_f41ac65e-0c59-4490-814c-7f6542b32877/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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:49:10,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:49:10,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:49:10,667 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:49:10,667 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:49:10,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:49:10,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:49:10,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:49:10,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:49:10,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:49:10,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:49:10,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:49:10,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:49:10,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:49:10,707 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:49:10,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:49:10,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:49:10,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:49:10,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:49:10,711 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:49:10,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:49:10,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:49:10,712 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:49:10,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:49:10,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:10,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:49:10,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:49:10,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:49:10,717 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:49:10,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:49:10,718 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_f41ac65e-0c59-4490-814c-7f6542b32877/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-11-09 00:49:10,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:49:11,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:49:11,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:49:11,025 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:49:11,025 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:49:11,027 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:49:13,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:49:13,359 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:49:13,362 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-09 00:49:13,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data/49231816c/5e1ac698de3d4a15a247f9d9a0690942/FLAGe74e2b506 [2024-11-09 00:49:13,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data/49231816c/5e1ac698de3d4a15a247f9d9a0690942 [2024-11-09 00:49:13,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:49:13,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:49:13,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:13,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:49:13,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:49:13,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:13" (1/1) ... [2024-11-09 00:49:13,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ae3770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:13, skipping insertion in model container [2024-11-09 00:49:13,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:13" (1/1) ... [2024-11-09 00:49:13,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:49:13,751 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_f41ac65e-0c59-4490-814c-7f6542b32877/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-09 00:49:14,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:14,326 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:49:14,341 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_f41ac65e-0c59-4490-814c-7f6542b32877/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-09 00:49:14,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:14,581 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:49:14,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14 WrapperNode [2024-11-09 00:49:14,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:14,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:14,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:49:14,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:49:14,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:14,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:15,602 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6573 [2024-11-09 00:49:15,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:15,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:49:15,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:49:15,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:49:15,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:15,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:15,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:15,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:16,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:16,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:16,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:16,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:16,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:49:16,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:49:16,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:49:16,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:49:16,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:14" (1/1) ... [2024-11-09 00:49:16,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:16,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:49:16,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:49:16,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:49:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:49:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:49:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:49:16,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:49:16,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:49:16,899 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:49:26,270 INFO L? ?]: Removed 3458 outVars from TransFormulas that were not future-live. [2024-11-09 00:49:26,270 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:49:39,855 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:49:39,855 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:49:39,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:39 BoogieIcfgContainer [2024-11-09 00:49:39,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:49:39,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:49:39,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:49:39,870 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:49:39,870 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:39" (1/1) ... [2024-11-09 00:49:39,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:49:39,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:49:39,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:49:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:49:39,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:39,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:43,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:54,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:50:04,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:50:05,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:50:07,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:50:16,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:50:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:50:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:50:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:50:16,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:52:03,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:53:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:53:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:53:31,881 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) [2024-11-09 00:53:31,884 INFO L158 Benchmark]: Toolchain (without parser) took 258486.81ms. Allocated memory was 136.3MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 90.6MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2024-11-09 00:53:31,885 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 136.3MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:53:31,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.20ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 110.2MB in the end (delta: -19.6MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2024-11-09 00:53:31,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 1020.03ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 110.2MB in the beginning and 241.5MB in the end (delta: -131.3MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2024-11-09 00:53:31,887 INFO L158 Benchmark]: Boogie Preprocessor took 781.10ms. Allocated memory is still 381.7MB. Free memory was 241.5MB in the beginning and 197.4MB in the end (delta: 44.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-11-09 00:53:31,887 INFO L158 Benchmark]: RCFGBuilder took 23471.26ms. Allocated memory was 381.7MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 197.4MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 972.0MB. Max. memory is 16.1GB. [2024-11-09 00:53:31,888 INFO L158 Benchmark]: CodeCheck took 232025.05ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: -8.8MB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2024-11-09 00:53:31,892 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 0.41ms. Allocated memory is still 136.3MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.20ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 90.6MB in the beginning and 110.2MB in the end (delta: -19.6MB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1020.03ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 110.2MB in the beginning and 241.5MB in the end (delta: -131.3MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 781.10ms. Allocated memory is still 381.7MB. Free memory was 241.5MB in the beginning and 197.4MB in the end (delta: 44.0MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * RCFGBuilder took 23471.26ms. Allocated memory was 381.7MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 197.4MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 972.0MB. Max. memory is 16.1GB. * CodeCheck took 232025.05ms. Allocated memory was 2.6GB in the beginning and 5.2GB in the end (delta: 2.6GB). Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: -8.8MB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:53:31,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/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_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/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_f41ac65e-0c59-4490-814c-7f6542b32877/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 b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:53:34,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:53:34,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:53:34,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:53:34,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:53:34,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:53:34,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:53:34,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:53:34,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:53:34,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:53:34,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:53:34,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:53:34,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:53:34,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:53:34,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:53:34,714 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:53:34,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:53:34,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:53:34,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:53:34,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:53:34,715 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:53:34,720 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:53:34,720 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:53:34,721 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:34,722 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:53:34,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:53:34,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:34,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:53:34,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:53:34,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:53:34,724 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:53:34,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:34,724 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:53:34,725 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_f41ac65e-0c59-4490-814c-7f6542b32877/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b37df87bf105c78286c98f9f634c382a900d0b782ba96d243ba53ca52a2d3491 [2024-11-09 00:53:35,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:53:35,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:53:35,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:53:35,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:53:35,121 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:53:35,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:53:37,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:53:37,656 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:53:37,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c [2024-11-09 00:53:37,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data/432e6cc50/213c6f668cc34fdfa0ac359b7943d5ad/FLAGf8dc0c399 [2024-11-09 00:53:37,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/data/432e6cc50/213c6f668cc34fdfa0ac359b7943d5ad [2024-11-09 00:53:37,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:53:37,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:53:37,701 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:37,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:53:37,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:53:37,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef7d5c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:37, skipping insertion in model container [2024-11-09 00:53:37,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:37" (1/1) ... [2024-11-09 00:53:37,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:53:38,082 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_f41ac65e-0c59-4490-814c-7f6542b32877/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-09 00:53:38,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:38,525 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:53:38,537 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_f41ac65e-0c59-4490-814c-7f6542b32877/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop3-back-serstep.c[1178,1191] [2024-11-09 00:53:38,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:38,696 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:53:38,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38 WrapperNode [2024-11-09 00:53:38,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:38,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:38,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:53:38,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:53:38,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,890 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1821 [2024-11-09 00:53:38,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:38,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:53:38,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:53:38,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:53:38,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:38,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:39,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:53:39,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:53:39,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:53:39,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:53:39,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:38" (1/1) ... [2024-11-09 00:53:39,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:39,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:53:39,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:53:39,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:53:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:53:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:53:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:53:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:53:39,476 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:53:39,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:42,864 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-09 00:53:42,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:43,016 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:53:43,016 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:53:43,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:43 BoogieIcfgContainer [2024-11-09 00:53:43,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:53:43,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:53:43,020 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:53:43,033 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:53:43,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:43" (1/1) ... [2024-11-09 00:53:43,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:53:43,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:53:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:53:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:53:43,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:43,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:43,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:43,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:43,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:53:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:44,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:44,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:53:44,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:44,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:44,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:53:45,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:53:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:53:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:53:45,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:45,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:45,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:45,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:45,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f41ac65e-0c59-4490-814c-7f6542b32877/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:53:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:46,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:47,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:53:47,666 INFO L278 TraceCheckSpWp]: Computing forward predicates...