./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b --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 56939ac1779e06d0fda528b03cb1a46da94542a35e2a9db0e8d4066c76b8d3ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:07:09,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:07:09,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 06:07:09,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:07:09,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:07:09,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:07:09,869 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:07:09,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:07:09,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:07:09,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:07:09,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:07:09,870 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:07:09,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:07:09,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:07:09,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:07:09,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:07:09,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:07:09,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:07:09,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:09,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:07:09,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:07:09,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:07:09,872 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:07:09,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:07:09,872 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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b 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 -> 56939ac1779e06d0fda528b03cb1a46da94542a35e2a9db0e8d4066c76b8d3ac [2024-12-06 06:07:10,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:07:10,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:07:10,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:07:10,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:07:10,076 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:07:10,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c [2024-12-06 06:07:12,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/a4c86ba8d/8a084dd93b194c1b9bc77b4589321106/FLAG6b09ea9ac [2024-12-06 06:07:13,014 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:07:13,014 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c [2024-12-06 06:07:13,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/a4c86ba8d/8a084dd93b194c1b9bc77b4589321106/FLAG6b09ea9ac [2024-12-06 06:07:13,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/a4c86ba8d/8a084dd93b194c1b9bc77b4589321106 [2024-12-06 06:07:13,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:07:13,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:07:13,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:13,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:07:13,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:07:13,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:13" (1/1) ... [2024-12-06 06:07:13,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599d4617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:13, skipping insertion in model container [2024-12-06 06:07:13,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:07:13" (1/1) ... [2024-12-06 06:07:13,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:07:13,480 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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c[1172,1185] [2024-12-06 06:07:13,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:13,910 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:07:13,921 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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c[1172,1185] [2024-12-06 06:07:14,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:07:14,191 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:07:14,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14 WrapperNode [2024-12-06 06:07:14,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:07:14,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:14,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:07:14,193 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:07:14,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:14,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,205 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11624 [2024-12-06 06:07:15,205 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:07:15,206 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:07:15,206 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:07:15,206 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:07:15,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,583 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:07:15,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:07:15,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:07:15,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:07:15,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:07:14" (1/1) ... [2024-12-06 06:07:15,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:07:15,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:07:15,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:07:15,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:07:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:07:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:07:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:07:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:07:16,443 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:07:16,445 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:07:33,130 INFO L? ?]: Removed 6190 outVars from TransFormulas that were not future-live. [2024-12-06 06:07:33,131 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:07:49,877 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:07:49,877 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:07:49,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:49 BoogieIcfgContainer [2024-12-06 06:07:49,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:07:49,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:07:49,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:07:49,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:07:49,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:49" (1/1) ... [2024-12-06 06:07:49,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:07:49,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:49,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:07:49,943 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:07:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:07:49,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:49,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:07:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:53,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:08:04,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:08:14,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:08:16,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:08:18,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:08:20,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:08:31,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 06:08:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:31,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 06:08:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 06:08:31,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:08:31,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:31,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:12:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:12:48,095 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) [2024-12-06 06:12:48,098 INFO L158 Benchmark]: Toolchain (without parser) took 334814.37ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 87.9MB in the beginning and 350.3MB in the end (delta: -262.5MB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 06:12:48,098 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:12:48,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 907.51ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 87.9MB in the beginning and 82.4MB in the end (delta: 5.4MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-12-06 06:12:48,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 1012.90ms. Allocated memory was 192.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 82.4MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 212.0MB. Max. memory is 16.1GB. [2024-12-06 06:12:48,100 INFO L158 Benchmark]: Boogie Preprocessor took 649.21ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 62.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2024-12-06 06:12:48,100 INFO L158 Benchmark]: RCFGBuilder took 34022.20ms. Allocated memory was 1.4GB in the beginning and 1.8GB in the end (delta: 486.5MB). Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: -74.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 06:12:48,101 INFO L158 Benchmark]: CodeCheck took 298218.22ms. Allocated memory was 1.8GB in the beginning and 2.2GB in the end (delta: 335.5MB). Free memory was 1.1GB in the beginning and 350.3MB in the end (delta: 795.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 06:12:48,104 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 907.51ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 87.9MB in the beginning and 82.4MB in the end (delta: 5.4MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1012.90ms. Allocated memory was 192.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 82.4MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 212.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 649.21ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 62.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * RCFGBuilder took 34022.20ms. Allocated memory was 1.4GB in the beginning and 1.8GB in the end (delta: 486.5MB). Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: -74.8MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 298218.22ms. Allocated memory was 1.8GB in the beginning and 2.2GB in the end (delta: 335.5MB). Free memory was 1.1GB in the beginning and 350.3MB in the end (delta: 795.4MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 06:12:48,313 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 06:12:48,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b --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 56939ac1779e06d0fda528b03cb1a46da94542a35e2a9db0e8d4066c76b8d3ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:12:50,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:12:50,354 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 06:12:50,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:12:50,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:12:50,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:12:50,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:12:50,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:12:50,381 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:12:50,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:12:50,382 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:12:50,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:12:50,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:12:50,383 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:12:50,384 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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b 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 -> 56939ac1779e06d0fda528b03cb1a46da94542a35e2a9db0e8d4066c76b8d3ac [2024-12-06 06:12:50,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:12:50,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:12:50,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:12:50,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:12:50,627 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:12:50,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c [2024-12-06 06:12:53,369 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/2e6b3b43e/6b39fdab23c94d8b981b1e34f807d627/FLAG5c801df88 [2024-12-06 06:12:53,655 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:12:53,656 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c [2024-12-06 06:12:53,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/2e6b3b43e/6b39fdab23c94d8b981b1e34f807d627/FLAG5c801df88 [2024-12-06 06:12:53,692 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/data/2e6b3b43e/6b39fdab23c94d8b981b1e34f807d627 [2024-12-06 06:12:53,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:12:53,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:12:53,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:12:53,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:12:53,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:12:53,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:53" (1/1) ... [2024-12-06 06:12:53,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4660b3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:53, skipping insertion in model container [2024-12-06 06:12:53,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:12:53" (1/1) ... [2024-12-06 06:12:53,759 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:12:53,934 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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c[1172,1185] [2024-12-06 06:12:54,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:12:54,280 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:12:54,289 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_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.1.prop1-back-serstep.c[1172,1185] [2024-12-06 06:12:54,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:12:54,478 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:12:54,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54 WrapperNode [2024-12-06 06:12:54,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:12:54,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:12:54,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:12:54,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:12:54,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,629 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3316 [2024-12-06 06:12:54,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:12:54,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:12:54,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:12:54,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:12:54,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,659 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:12:54,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:12:54,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:12:54,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:12:54,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:12:54" (1/1) ... [2024-12-06 06:12:54,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:12:54,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:12:54,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:12:54,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:12:54,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:12:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:12:54,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:12:54,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:12:55,328 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:12:55,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:12:59,898 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 06:12:59,898 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:12:59,997 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:12:59,998 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:12:59,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:59 BoogieIcfgContainer [2024-12-06 06:12:59,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:12:59,999 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:12:59,999 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:13:00,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:13:00,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:12:59" (1/1) ... [2024-12-06 06:13:00,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:13:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:13:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:13:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:13:00,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:00,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:00,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:00,063 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:00,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:13:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:01,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:13:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:01,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 06:13:01,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:13:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:13:01,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:13:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:13:02,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 06:13:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 06:13:02,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:13:02,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:13:02,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:13:02,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:13:02,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:13:02,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77789b23-f650-4b3b-b85c-4eeb3cbe6c1f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:13:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:03,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:13:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:13:04,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-06 06:13:04,216 INFO L279 TraceCheckSpWp]: Computing forward predicates...