./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-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_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/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_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/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_af30877d-8fbc-4b0a-b78b-48e734fd034e/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 4aa2bd10848b908282e4d65e0c91ac8837968c524aa3d0124c50ad8252a2ed94 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:32,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:32,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:05:32,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:32,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:32,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:32,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:32,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:32,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:32,911 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:32,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:32,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:32,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:32,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:32,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:32,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:32,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:32,914 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:32,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:32,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:32,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:32,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:32,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:32,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:32,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:32,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:32,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:32,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:32,921 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:32,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:32,922 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aa2bd10848b908282e4d65e0c91ac8837968c524aa3d0124c50ad8252a2ed94 [2024-11-08 22:05:33,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:33,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:33,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:33,247 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:33,248 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:33,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:05:35,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:35,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:35,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c [2024-11-08 22:05:35,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data/910b05d41/19796e7113db4324a83f65f002101187/FLAG914899b3b [2024-11-08 22:05:35,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data/910b05d41/19796e7113db4324a83f65f002101187 [2024-11-08 22:05:35,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:35,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:35,770 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:35,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:35,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:35,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f00ea0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:35, skipping insertion in model container [2024-11-08 22:05:35,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:35" (1/1) ... [2024-11-08 22:05:35,875 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:36,147 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c[1171,1184] [2024-11-08 22:05:36,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:36,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:36,794 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c[1171,1184] [2024-11-08 22:05:37,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:37,125 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:37,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37 WrapperNode [2024-11-08 22:05:37,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:37,128 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:37,128 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:37,128 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:37,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:37,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:38,559 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8938 [2024-11-08 22:05:38,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:38,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:38,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:38,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:38,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:38,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:38,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:38,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:39,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:39,469 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:39,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:39,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:39,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:39,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:39,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:39,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:39,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:37" (1/1) ... [2024-11-08 22:05:39,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:39,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:39,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:39,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:40,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:40,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:56,224 INFO L? ?]: Removed 4879 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:56,225 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:13,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:13,189 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:06:13,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:13 BoogieIcfgContainer [2024-11-08 22:06:13,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:13,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:13,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:13,203 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:13,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:13" (1/1) ... [2024-11-08 22:06:13,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:06:13,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:06:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:06:13,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:13,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:19,004 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 22:06:29,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:39,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:41,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:42,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:52,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:06:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:06:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:06:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:06:52,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:52,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:11:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:11:15,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:15:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:15:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:15:46,274 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 22:15:46,279 INFO L158 Benchmark]: Toolchain (without parser) took 610509.42ms. Allocated memory was 142.6MB in the beginning and 6.7GB in the end (delta: 6.5GB). Free memory was 96.0MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-08 22:15:46,279 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:15:46,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1356.19ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 95.5MB in the beginning and 142.3MB in the end (delta: -46.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2024-11-08 22:15:46,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 1431.54ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 142.3MB in the beginning and 237.3MB in the end (delta: -95.0MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. [2024-11-08 22:15:46,283 INFO L158 Benchmark]: Boogie Preprocessor took 1205.84ms. Allocated memory is still 436.2MB. Free memory was 237.3MB in the beginning and 182.8MB in the end (delta: 54.5MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2024-11-08 22:15:46,284 INFO L158 Benchmark]: RCFGBuilder took 33423.63ms. Allocated memory was 436.2MB in the beginning and 6.7GB in the end (delta: 6.2GB). Free memory was 182.8MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 22:15:46,285 INFO L158 Benchmark]: CodeCheck took 573086.25ms. Allocated memory is still 6.7GB. Free memory was 6.0GB in the beginning and 4.5GB in the end (delta: 1.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-08 22:15:46,292 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1356.19ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 95.5MB in the beginning and 142.3MB in the end (delta: -46.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1431.54ms. Allocated memory was 218.1MB in the beginning and 436.2MB in the end (delta: 218.1MB). Free memory was 142.3MB in the beginning and 237.3MB in the end (delta: -95.0MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1205.84ms. Allocated memory is still 436.2MB. Free memory was 237.3MB in the beginning and 182.8MB in the end (delta: 54.5MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * RCFGBuilder took 33423.63ms. Allocated memory was 436.2MB in the beginning and 6.7GB in the end (delta: 6.2GB). Free memory was 182.8MB in the beginning and 6.0GB in the end (delta: -5.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 573086.25ms. Allocated memory is still 6.7GB. Free memory was 6.0GB in the beginning and 4.5GB in the end (delta: 1.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:15:46,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/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_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/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_af30877d-8fbc-4b0a-b78b-48e734fd034e/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 4aa2bd10848b908282e4d65e0c91ac8837968c524aa3d0124c50ad8252a2ed94 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:15:49,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:15:49,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:15:49,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:15:49,383 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:15:49,383 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:15:49,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:15:49,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:15:49,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:15:49,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:15:49,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:15:49,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:15:49,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:15:49,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:15:49,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:15:49,388 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:15:49,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:15:49,389 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:15:49,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:15:49,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:15:49,390 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:15:49,391 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:15:49,391 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:15:49,392 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:49,392 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:15:49,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:15:49,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:15:49,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:15:49,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:15:49,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:15:49,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:15:49,396 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:49,396 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:15:49,396 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aa2bd10848b908282e4d65e0c91ac8837968c524aa3d0124c50ad8252a2ed94 [2024-11-08 22:15:49,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:15:49,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:15:49,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:15:49,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:15:49,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:15:49,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:15:52,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:15:52,600 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:15:52,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c [2024-11-08 22:15:52,620 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data/08f5585ce/2026faba5bd546d9a2d75525d5c2db3e/FLAG65850f2fd [2024-11-08 22:15:52,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/data/08f5585ce/2026faba5bd546d9a2d75525d5c2db3e [2024-11-08 22:15:52,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:15:52,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:15:52,729 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:15:52,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:15:52,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:15:52,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:15:52" (1/1) ... [2024-11-08 22:15:52,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d06daf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:52, skipping insertion in model container [2024-11-08 22:15:52,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:15:52" (1/1) ... [2024-11-08 22:15:52,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:15:53,094 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c[1171,1184] [2024-11-08 22:15:53,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:15:53,725 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:15:53,740 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_af30877d-8fbc-4b0a-b78b-48e734fd034e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-back-serstep.c[1171,1184] [2024-11-08 22:15:53,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:15:54,006 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:15:54,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54 WrapperNode [2024-11-08 22:15:54,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:15:54,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:15:54,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:15:54,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:15:54,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,276 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2754 [2024-11-08 22:15:54,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:15:54,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:15:54,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:15:54,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:15:54,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:15:54,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:15:54,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:15:54,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:15:54,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:15:54" (1/1) ... [2024-11-08 22:15:54,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:15:54,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:15:54,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:15:54,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:15:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:15:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:15:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:15:54,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:15:55,240 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:15:55,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:16:00,768 INFO L? ?]: Removed 282 outVars from TransFormulas that were not future-live. [2024-11-08 22:16:00,769 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:16:00,939 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:16:00,940 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:16:00,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:00 BoogieIcfgContainer [2024-11-08 22:16:00,940 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:16:00,941 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:16:00,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:16:00,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:16:00,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:00" (1/1) ... [2024-11-08 22:16:00,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:16:01,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:01,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:16:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:16:01,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:16:01,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:01,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:01,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:01,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:01,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:16:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:02,167 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:02,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:16:02,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:02,582 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 22:16:02,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:16:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:16:03,039 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:16:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:16:03,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:03,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:03,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:03,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:03,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af30877d-8fbc-4b0a-b78b-48e734fd034e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:16:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:04,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:05,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-08 22:16:05,648 INFO L278 TraceCheckSpWp]: Computing forward predicates...