./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-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_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/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_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/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_900e853d-064a-4bcb-bb52-90f00c1000b0/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 d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:17:22,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:17:22,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:17:22,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:17:22,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:17:22,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:17:22,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:17:22,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:17:22,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:17:22,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:17:22,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:17:22,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:17:22,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:17:22,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:17:22,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:17:22,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:17:22,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:17:22,913 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:17:22,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:17:22,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:17:22,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:17:22,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:17:22,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:17:22,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:17:22,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:22,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:17:22,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:17:22,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:17:22,921 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:17:22,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:17:22,922 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_900e853d-064a-4bcb-bb52-90f00c1000b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 [2024-11-08 23:17:23,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:17:23,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:17:23,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:17:23,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:17:23,239 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:17:23,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:17:25,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:17:25,716 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:17:25,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c [2024-11-08 23:17:25,745 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data/f828ebff5/b25599ff8d5d4f159add68a54120ee42/FLAG692358b30 [2024-11-08 23:17:25,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data/f828ebff5/b25599ff8d5d4f159add68a54120ee42 [2024-11-08 23:17:25,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:17:25,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:17:25,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:25,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:17:25,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:17:25,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:25" (1/1) ... [2024-11-08 23:17:25,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1955f278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:25, skipping insertion in model container [2024-11-08 23:17:25,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:17:25" (1/1) ... [2024-11-08 23:17:25,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:17:26,141 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_900e853d-064a-4bcb-bb52-90f00c1000b0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-11-08 23:17:26,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:26,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:17:26,723 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_900e853d-064a-4bcb-bb52-90f00c1000b0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-11-08 23:17:27,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:17:27,036 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:17:27,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27 WrapperNode [2024-11-08 23:17:27,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:17:27,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:27,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:17:27,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:17:27,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:27,111 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:27,976 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6573 [2024-11-08 23:17:27,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:17:27,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:17:27,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:17:27,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:17:27,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:27,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:17:28,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:17:28,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:17:28,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:17:28,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:17:27" (1/1) ... [2024-11-08 23:17:28,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:17:28,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:17:28,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:17:28,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:17:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:17:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:17:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:17:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:17:29,505 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:17:29,508 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:17:39,141 INFO L? ?]: Removed 3458 outVars from TransFormulas that were not future-live. [2024-11-08 23:17:39,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:17:52,313 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:17:52,314 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:17:52,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:52 BoogieIcfgContainer [2024-11-08 23:17:52,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:17:52,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:17:52,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:17:52,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:17:52,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:17:52" (1/1) ... [2024-11-08 23:17:52,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:17:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:17:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:17:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:17:52,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:52,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:17:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:18:09,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:18:20,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:18:22,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:18:32,273 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 23:18:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:18:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:18:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:18:32,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:32,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:20:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:20:09,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:21:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:21:49,171 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 23:21:49,174 INFO L158 Benchmark]: Toolchain (without parser) took 263398.13ms. Allocated memory was 159.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 116.8MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-08 23:21:49,174 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 159.4MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:21:49,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1258.78ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 116.8MB in the beginning and 127.8MB in the end (delta: -11.0MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-11-08 23:21:49,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 939.30ms. Allocated memory was 203.4MB in the beginning and 367.0MB in the end (delta: 163.6MB). Free memory was 127.8MB in the beginning and 215.3MB in the end (delta: -87.4MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2024-11-08 23:21:49,177 INFO L158 Benchmark]: Boogie Preprocessor took 959.80ms. Allocated memory is still 367.0MB. Free memory was 215.3MB in the beginning and 180.7MB in the end (delta: 34.6MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-11-08 23:21:49,178 INFO L158 Benchmark]: RCFGBuilder took 23376.10ms. Allocated memory was 367.0MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 180.7MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-08 23:21:49,179 INFO L158 Benchmark]: CodeCheck took 236858.33ms. Allocated memory was 4.7GB in the beginning and 5.9GB in the end (delta: 1.3GB). Free memory was 4.3GB in the beginning and 4.8GB in the end (delta: -563.5MB). Peak memory consumption was 700.0MB. Max. memory is 16.1GB. [2024-11-08 23:21:49,182 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 0.25ms. Allocated memory is still 159.4MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1258.78ms. Allocated memory was 159.4MB in the beginning and 203.4MB in the end (delta: 44.0MB). Free memory was 116.8MB in the beginning and 127.8MB in the end (delta: -11.0MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 939.30ms. Allocated memory was 203.4MB in the beginning and 367.0MB in the end (delta: 163.6MB). Free memory was 127.8MB in the beginning and 215.3MB in the end (delta: -87.4MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 959.80ms. Allocated memory is still 367.0MB. Free memory was 215.3MB in the beginning and 180.7MB in the end (delta: 34.6MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * RCFGBuilder took 23376.10ms. Allocated memory was 367.0MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 180.7MB in the beginning and 4.3GB in the end (delta: -4.1GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 236858.33ms. Allocated memory was 4.7GB in the beginning and 5.9GB in the end (delta: 1.3GB). Free memory was 4.3GB in the beginning and 4.8GB in the end (delta: -563.5MB). Peak memory consumption was 700.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:21:49,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/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_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/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_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/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_900e853d-064a-4bcb-bb52-90f00c1000b0/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 d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:21:52,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:21:52,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:21:52,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:21:52,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:21:52,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:21:52,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:21:52,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:21:52,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:21:52,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:21:52,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:21:52,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:21:52,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:21:52,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:21:52,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:21:52,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:21:52,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:21:52,270 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:21:52,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:21:52,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:21:52,271 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:21:52,275 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:21:52,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:21:52,276 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:52,276 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:21:52,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:21:52,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:52,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:21:52,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:21:52,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:21:52,279 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:21:52,279 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:52,279 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:21:52,280 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_900e853d-064a-4bcb-bb52-90f00c1000b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d08515d33180f49f91319882069013c8bb037fde086ef4e093242729db141b85 [2024-11-08 23:21:52,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:21:52,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:21:52,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:21:52,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:21:52,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:21:52,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c Unable to find full path for "g++" [2024-11-08 23:21:55,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:21:55,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:21:55,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c [2024-11-08 23:21:55,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data/0f47fa3ca/1e64ccb8a32d448c815d3c173aeb6e9f/FLAG33eb877ea [2024-11-08 23:21:55,579 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/data/0f47fa3ca/1e64ccb8a32d448c815d3c173aeb6e9f [2024-11-08 23:21:55,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:21:55,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:21:55,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:55,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:21:55,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:21:55,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:55" (1/1) ... [2024-11-08 23:21:55,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f583297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:55, skipping insertion in model container [2024-11-08 23:21:55,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:55" (1/1) ... [2024-11-08 23:21:55,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:21:56,001 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_900e853d-064a-4bcb-bb52-90f00c1000b0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-11-08 23:21:56,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:56,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:21:56,517 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_900e853d-064a-4bcb-bb52-90f00c1000b0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.1.prop2-back-serstep.c[1178,1191] [2024-11-08 23:21:56,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:56,754 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:21:56,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56 WrapperNode [2024-11-08 23:21:56,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:56,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:56,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:21:56,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:21:56,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:56,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:56,903 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1821 [2024-11-08 23:21:56,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:56,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:21:56,905 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:21:56,905 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:21:56,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:56,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:56,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:56,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:21:57,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:21:57,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:21:57,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:21:57,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:57,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:21:57,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:21:57,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:21:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:21:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:21:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:21:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:21:57,524 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:21:57,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:22:00,607 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-08 23:22:00,608 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:22:00,713 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:22:00,714 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:22:00,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:22:00 BoogieIcfgContainer [2024-11-08 23:22:00,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:22:00,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:22:00,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:22:00,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:22:00,726 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:22:00" (1/1) ... [2024-11-08 23:22:00,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:22:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:22:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:22:00,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:00,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:00,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:00,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:00,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:22:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:01,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:01,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:22:01,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:22:01,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:22:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:22:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:22:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:22:02,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:02,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:02,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:02,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:02,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_900e853d-064a-4bcb-bb52-90f00c1000b0/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:22:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:03,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:03,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 23:22:04,023 INFO L278 TraceCheckSpWp]: Computing forward predicates...