./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:06:56,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:06:56,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:06:56,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:06:56,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:06:56,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:06:56,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:06:56,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:06:56,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:06:56,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:06:56,867 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:06:56,868 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:06:56,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:56,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:06:56,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:06:56,869 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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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 -> 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 [2024-12-06 01:06:57,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:57,110 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:57,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:57,113 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:57,114 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:57,115 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c [2024-12-06 01:06:59,747 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/c67e66878/a95369edf5bf41668cc82e22a2d582cf/FLAGc6f4d0c05 [2024-12-06 01:07:00,088 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:07:00,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c [2024-12-06 01:07:00,107 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/c67e66878/a95369edf5bf41668cc82e22a2d582cf/FLAGc6f4d0c05 [2024-12-06 01:07:00,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/c67e66878/a95369edf5bf41668cc82e22a2d582cf [2024-12-06 01:07:00,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:07:00,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:07:00,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:00,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:07:00,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:07:00,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:00" (1/1) ... [2024-12-06 01:07:00,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@511b294f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:00, skipping insertion in model container [2024-12-06 01:07:00,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:00" (1/1) ... [2024-12-06 01:07:00,365 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:07:00,526 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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-12-06 01:07:00,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:00,908 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:07:00,915 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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-12-06 01:07:01,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:01,149 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:07:01,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01 WrapperNode [2024-12-06 01:07:01,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:01,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:01,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:07:01,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:07:01,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:01,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:01,978 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9231 [2024-12-06 01:07:01,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:01,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:07:01,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:07:01,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:07:01,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:01,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,367 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:07:02,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:07:02,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:07:02,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:07:02,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:02,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:02,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:07:02,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:07:02,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:07:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:07:03,385 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:07:03,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:07:12,896 INFO L? ?]: Removed 5368 outVars from TransFormulas that were not future-live. [2024-12-06 01:07:12,896 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:07:24,067 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:07:24,067 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:07:24,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:24 BoogieIcfgContainer [2024-12-06 01:07:24,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:07:24,068 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:07:24,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:07:24,075 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:07:24,075 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:24" (1/1) ... [2024-12-06 01:07:24,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:07:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:07:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:07:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:07:24,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:24,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:07:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:32,870 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 01:07:43,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:53,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:56,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:58,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:07:59,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:08:09,878 WARN L539 Checker$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 01:08:09,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:08:09,923 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:08:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:08:09,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:09,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:11:18,848 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:15:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:15:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:15:14,680 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 01:15:14,684 INFO L158 Benchmark]: Toolchain (without parser) took 494380.32ms. Allocated memory was 142.6MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 113.2MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 01:15:14,684 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:15:14,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 113.1MB in the beginning and 357.6MB in the end (delta: -244.5MB). Peak memory consumption was 105.8MB. Max. memory is 16.1GB. [2024-12-06 01:15:14,685 INFO L158 Benchmark]: Boogie Procedure Inliner took 827.95ms. Allocated memory is still 427.8MB. Free memory was 357.6MB in the beginning and 217.5MB in the end (delta: 140.1MB). Peak memory consumption was 298.5MB. Max. memory is 16.1GB. [2024-12-06 01:15:14,685 INFO L158 Benchmark]: Boogie Preprocessor took 677.24ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 217.5MB in the beginning and 1.0GB in the end (delta: -803.8MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2024-12-06 01:15:14,686 INFO L158 Benchmark]: RCFGBuilder took 21410.65ms. Allocated memory was 1.3GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 1.0GB in the beginning and 1.5GB in the end (delta: -511.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 01:15:14,687 INFO L158 Benchmark]: CodeCheck took 470614.14ms. Allocated memory was 2.3GB in the beginning and 2.4GB in the end (delta: 16.8MB). Free memory was 1.5GB in the beginning and 1.2GB in the end (delta: 378.6MB). Peak memory consumption was 403.7MB. Max. memory is 16.1GB. [2024-12-06 01:15:14,689 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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.48ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 113.1MB in the beginning and 357.6MB in the end (delta: -244.5MB). Peak memory consumption was 105.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 827.95ms. Allocated memory is still 427.8MB. Free memory was 357.6MB in the beginning and 217.5MB in the end (delta: 140.1MB). Peak memory consumption was 298.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 677.24ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 217.5MB in the beginning and 1.0GB in the end (delta: -803.8MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. * RCFGBuilder took 21410.65ms. Allocated memory was 1.3GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 1.0GB in the beginning and 1.5GB in the end (delta: -511.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 470614.14ms. Allocated memory was 2.3GB in the beginning and 2.4GB in the end (delta: 16.8MB). Free memory was 1.5GB in the beginning and 1.2GB in the end (delta: 378.6MB). Peak memory consumption was 403.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:15:14,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:15:16,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:15:16,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:15:16,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:15:16,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:15:16,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:15:16,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:15:16,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:15:16,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:15:16,815 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:15:16,816 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:15:16,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:16,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:15:16,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:15:16,817 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:15:16,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:16,817 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:15:16,817 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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/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 -> 03d3365e4329e2abfa83a6243ec4527c1c8b3ff3e588dc08c9ff2c43cf112871 [2024-12-06 01:15:17,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:15:17,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:15:17,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:15:17,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:15:17,065 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:15:17,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c [2024-12-06 01:15:19,737 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/9df4487c9/7082fbd817a7492d9f1667c88a71a0f0/FLAGf6d1f5bf5 [2024-12-06 01:15:20,033 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:15:20,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c [2024-12-06 01:15:20,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/9df4487c9/7082fbd817a7492d9f1667c88a71a0f0/FLAGf6d1f5bf5 [2024-12-06 01:15:20,062 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/data/9df4487c9/7082fbd817a7492d9f1667c88a71a0f0 [2024-12-06 01:15:20,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:15:20,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:15:20,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:20,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:15:20,070 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:15:20,071 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f865a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20, skipping insertion in model container [2024-12-06 01:15:20,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,132 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:15:20,307 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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-12-06 01:15:20,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:20,644 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:15:20,654 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_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.3.prop1-back-serstep.c[1182,1195] [2024-12-06 01:15:20,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:15:20,825 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:15:20,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20 WrapperNode [2024-12-06 01:15:20,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:15:20,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:20,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:15:20,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:15:20,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,973 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3599 [2024-12-06 01:15:20,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:15:20,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:15:20,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:15:20,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:15:20,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:20,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,051 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:15:21,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:15:21,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:15:21,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:15:21,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:15:20" (1/1) ... [2024-12-06 01:15:21,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:15:21,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:15:21,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:15:21,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:15:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:15:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:15:21,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:15:21,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:15:21,702 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:15:21,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:15:26,167 INFO L? ?]: Removed 336 outVars from TransFormulas that were not future-live. [2024-12-06 01:15:26,167 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:15:26,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:15:26,256 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:15:26,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:26 BoogieIcfgContainer [2024-12-06 01:15:26,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:15:26,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:15:26,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:15:26,266 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:15:26,266 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:15:26" (1/1) ... [2024-12-06 01:15:26,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:15:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:15:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:15:26,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:15:26,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:26,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:26,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:26,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:15:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:27,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:27,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 01:15:27,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:27,728 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 01:15:27,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:15:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:15:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:15:28,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:15:28,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:28,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:28,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:28,082 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:28,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5be27b7-aac5-4f4f-bbb6-74ed35b3a659/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:15:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:29,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:30,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-12-06 01:15:30,497 INFO L279 TraceCheckSpWp]: Computing forward predicates...