./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3 --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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:09:50,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:09:50,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:09:50,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:09:50,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:09:51,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:09:51,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:09:51,005 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:09:51,006 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:09:51,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:09:51,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:09:51,007 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:09:51,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:09:51,007 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:09:51,007 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:09:51,007 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:09:51,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:09:51,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:51,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:09:51,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:09:51,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:09:51,008 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:09:51,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:09:51,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3 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 -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-11-25 04:09:51,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:09:51,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:09:51,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:09:51,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:09:51,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:09:51,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-25 04:09:54,349 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/c1bd10457/114a4e47657a46f2b037292fb88b04b6/FLAG7068e3a0e [2024-11-25 04:09:54,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:09:54,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-25 04:09:54,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/c1bd10457/114a4e47657a46f2b037292fb88b04b6/FLAG7068e3a0e [2024-11-25 04:09:54,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/c1bd10457/114a4e47657a46f2b037292fb88b04b6 [2024-11-25 04:09:54,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:09:54,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:09:54,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:54,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:09:54,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:09:54,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:09:54,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731403d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:54, skipping insertion in model container [2024-11-25 04:09:54,874 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:54" (1/1) ... [2024-11-25 04:09:54,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:09:55,169 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_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-25 04:09:55,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:55,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:09:55,644 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_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-25 04:09:55,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:55,917 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:09:55,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55 WrapperNode [2024-11-25 04:09:55,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:55,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:55,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:09:55,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:09:55,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:56,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:56,615 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5610 [2024-11-25 04:09:56,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:56,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:09:56,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:09:56,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:09:56,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:56,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:56,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:56,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:09:57,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:09:57,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:09:57,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:09:57,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:55" (1/1) ... [2024-11-25 04:09:57,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:57,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:09:57,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:09:57,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:09:57,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:09:57,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:09:57,859 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:09:57,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:10:06,785 INFO L? ?]: Removed 3011 outVars from TransFormulas that were not future-live. [2024-11-25 04:10:06,786 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:10:16,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:10:16,111 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:10:16,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:16 BoogieIcfgContainer [2024-11-25 04:10:16,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:10:16,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:10:16,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:10:16,124 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:10:16,125 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:16" (1/1) ... [2024-11-25 04:10:16,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:10:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:10:16,200 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:10:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:10:16,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:16,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:10:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:20,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:31,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:10:41,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:10:43,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:10:49,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:10:56,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:10:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:10:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:10:56,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:10:56,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:56,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:13,416 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) [2024-11-25 04:12:13,423 INFO L158 Benchmark]: Toolchain (without parser) took 138557.12ms. Allocated memory was 142.6MB in the beginning and 2.8GB in the end (delta: 2.7GB). Free memory was 102.0MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 781.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:13,423 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:13,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1052.09ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 31.8MB in the end (delta: 70.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:12:13,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 696.39ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 31.8MB in the beginning and 308.0MB in the end (delta: -276.2MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:13,425 INFO L158 Benchmark]: Boogie Preprocessor took 744.14ms. Allocated memory is still 427.8MB. Free memory was 308.0MB in the beginning and 284.5MB in the end (delta: 23.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-25 04:12:13,425 INFO L158 Benchmark]: RCFGBuilder took 18749.42ms. Allocated memory was 427.8MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 284.2MB in the beginning and 657.5MB in the end (delta: -373.2MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-25 04:12:13,426 INFO L158 Benchmark]: CodeCheck took 117308.47ms. Allocated memory was 1.4GB in the beginning and 2.8GB in the end (delta: 1.4GB). Free memory was 657.5MB in the beginning and 2.0GB in the end (delta: -1.3GB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-25 04:12:13,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1052.09ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 31.8MB in the end (delta: 70.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 696.39ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 31.8MB in the beginning and 308.0MB in the end (delta: -276.2MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 744.14ms. Allocated memory is still 427.8MB. Free memory was 308.0MB in the beginning and 284.5MB in the end (delta: 23.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * RCFGBuilder took 18749.42ms. Allocated memory was 427.8MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 284.2MB in the beginning and 657.5MB in the end (delta: -373.2MB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 117308.47ms. Allocated memory was 1.4GB in the beginning and 2.8GB in the end (delta: 1.4GB). Free memory was 657.5MB in the beginning and 2.0GB in the end (delta: -1.3GB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:12:13,640 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 04:12:13,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3 --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 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:16,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:16,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:12:16,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:16,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:16,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:16,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:16,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:16,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:16,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:12:16,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:12:16,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:16,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:16,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:16,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:16,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:16,580 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:16,581 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:16,581 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:12:16,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:16,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:16,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:16,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:16,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:16,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:12:16,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:16,582 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:12:16,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3 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 -> 56e32305e580f3037577c64bd7cf22d48e92622fbb42e9ac4939c1484d78341c [2024-11-25 04:12:16,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:16,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:16,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:16,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:16,951 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:16,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-25 04:12:20,223 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/49fd03030/97c249d1aa8b4e1ea6d09e6b9cd21a44/FLAGb8dec1afc [2024-11-25 04:12:20,744 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:20,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c [2024-11-25 04:12:20,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/49fd03030/97c249d1aa8b4e1ea6d09e6b9cd21a44/FLAGb8dec1afc [2024-11-25 04:12:20,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/data/49fd03030/97c249d1aa8b4e1ea6d09e6b9cd21a44 [2024-11-25 04:12:20,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:20,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:20,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:20,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:20,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:20,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:20" (1/1) ... [2024-11-25 04:12:20,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca9f3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:20, skipping insertion in model container [2024-11-25 04:12:20,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:20" (1/1) ... [2024-11-25 04:12:20,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:21,094 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_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-25 04:12:21,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:21,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:21,508 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_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-back-serstep.c[1176,1189] [2024-11-25 04:12:21,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:21,726 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:21,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21 WrapperNode [2024-11-25 04:12:21,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:21,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:21,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:21,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:21,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,778 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,882 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1722 [2024-11-25 04:12:21,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:21,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:21,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:21,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:21,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,955 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:21,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:22,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:22,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:22,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:22,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:22,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:21" (1/1) ... [2024-11-25 04:12:22,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:22,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:22,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:22,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:12:22,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:22,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:22,587 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:22,589 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:28,151 INFO L? ?]: Removed 163 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:28,151 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:28,222 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:28,222 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:12:28,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:28 BoogieIcfgContainer [2024-11-25 04:12:28,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:28,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:28,224 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:28,234 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:28,235 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:28" (1/1) ... [2024-11-25 04:12:28,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:12:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:12:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:12:28,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:12:28,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:12:28,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:12:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:29,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:12:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:29,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:12:29,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:12:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:12:29,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:12:33,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:12:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:12:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:12:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:12:33,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:33,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:33,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:12:33,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:12:33,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df811332-8b47-47ab-9a24-eb6e0aa9d6ce/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:12:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:35,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:12:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:36,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-11-25 04:12:36,571 INFO L279 TraceCheckSpWp]: Computing forward predicates...