./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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 f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:32:20,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:32:20,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:32:20,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:32:20,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:32:20,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:32:20,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:32:20,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:32:20,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:32:20,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:32:20,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:32:21,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:32:21,000 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:32:21,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:32:21,000 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:32:21,000 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:32:21,000 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:32:21,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:32:21,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:32:21,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:32:21,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:32:21,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:32:21,001 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:32:21,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:32:21,001 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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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 -> f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad [2024-12-05 23:32:21,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:32:21,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:32:21,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:32:21,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:32:21,205 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:32:21,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c [2024-12-05 23:32:23,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/0a110bb1c/1e8724054e1845f2b7c297a4b1c28d18/FLAG7e4ada395 [2024-12-05 23:32:24,142 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:32:24,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c [2024-12-05 23:32:24,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/0a110bb1c/1e8724054e1845f2b7c297a4b1c28d18/FLAG7e4ada395 [2024-12-05 23:32:24,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/0a110bb1c/1e8724054e1845f2b7c297a4b1c28d18 [2024-12-05 23:32:24,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:32:24,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:32:24,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:32:24,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:32:24,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:32:24,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:32:24" (1/1) ... [2024-12-05 23:32:24,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f3ac10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:24, skipping insertion in model container [2024-12-05 23:32:24,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:32:24" (1/1) ... [2024-12-05 23:32:24,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:32:24,656 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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-12-05 23:32:25,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:32:25,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:32:25,045 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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-12-05 23:32:25,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:32:25,279 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:32:25,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25 WrapperNode [2024-12-05 23:32:25,280 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:32:25,281 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:32:25,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:32:25,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:32:25,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:25,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,111 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8783 [2024-12-05 23:32:26,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:32:26,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:32:26,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:32:26,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:32:26,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,572 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:32:26,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:32:26,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:32:26,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:32:26,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:25" (1/1) ... [2024-12-05 23:32:26,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:32:26,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:32:26,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:32:26,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:32:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:32:26,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:32:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:32:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:32:27,365 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:32:27,366 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:32:36,864 INFO L? ?]: Removed 4900 outVars from TransFormulas that were not future-live. [2024-12-05 23:32:36,865 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:32:47,965 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:32:47,966 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:32:47,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:47 BoogieIcfgContainer [2024-12-05 23:32:47,966 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:32:47,967 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:32:47,967 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:32:47,975 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:32:47,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:47" (1/1) ... [2024-12-05 23:32:47,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:32:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:32:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:32:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:32:48,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:48,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:32:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:33:07,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:33:17,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:33:19,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:33:20,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:33:21,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:33:32,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:33:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:33:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:33:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:33:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:33:32,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:33:32,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:36:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:36:40,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:39:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:39:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:39:44,469 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) [2024-12-05 23:39:44,473 INFO L158 Benchmark]: Toolchain (without parser) took 440053.83ms. Allocated memory was 117.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 88.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-12-05 23:39:44,473 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:39:44,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.56ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.5MB in the beginning and 109.0MB in the end (delta: -20.5MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2024-12-05 23:39:44,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 831.00ms. Allocated memory was 201.3MB in the beginning and 453.0MB in the end (delta: 251.7MB). Free memory was 108.9MB in the beginning and 253.1MB in the end (delta: -144.2MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2024-12-05 23:39:44,475 INFO L158 Benchmark]: Boogie Preprocessor took 726.08ms. Allocated memory is still 453.0MB. Free memory was 253.1MB in the beginning and 219.3MB in the end (delta: 33.8MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2024-12-05 23:39:44,475 INFO L158 Benchmark]: RCFGBuilder took 21126.98ms. Allocated memory was 453.0MB in the beginning and 2.5GB in the end (delta: 2.0GB). Free memory was 219.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 973.3MB. Max. memory is 16.1GB. [2024-12-05 23:39:44,475 INFO L158 Benchmark]: CodeCheck took 416505.04ms. Allocated memory was 2.5GB in the beginning and 3.6GB in the end (delta: 1.1GB). Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 228.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 23:39:44,478 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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.56ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 88.5MB in the beginning and 109.0MB in the end (delta: -20.5MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 831.00ms. Allocated memory was 201.3MB in the beginning and 453.0MB in the end (delta: 251.7MB). Free memory was 108.9MB in the beginning and 253.1MB in the end (delta: -144.2MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 726.08ms. Allocated memory is still 453.0MB. Free memory was 253.1MB in the beginning and 219.3MB in the end (delta: 33.8MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * RCFGBuilder took 21126.98ms. Allocated memory was 453.0MB in the beginning and 2.5GB in the end (delta: 2.0GB). Free memory was 219.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 973.3MB. Max. memory is 16.1GB. * CodeCheck took 416505.04ms. Allocated memory was 2.5GB in the beginning and 3.6GB in the end (delta: 1.1GB). Free memory was 1.3GB in the beginning and 1.1GB in the end (delta: 228.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:39:44,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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 f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:39:46,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:39:46,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:39:46,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:39:46,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:39:46,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:39:46,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:39:46,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:39:46,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:39:46,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:39:46,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:39:46,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:39:46,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:39:46,662 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:39:46,662 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:39:46,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:46,663 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:39:46,663 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:39:46,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:46,664 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:39:46,664 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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/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 -> f80352e01b73b6fb2bc3eb6dbc59d548e55d04f393bb7e93c0cfa1ecbdc251ad [2024-12-05 23:39:46,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:39:46,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:39:46,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:39:46,910 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:39:46,910 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:39:46,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c [2024-12-05 23:39:49,512 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/2f2091eed/dfc282589e9e43598494940215f634e6/FLAG22d715cbf [2024-12-05 23:39:49,851 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:39:49,852 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c [2024-12-05 23:39:49,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/2f2091eed/dfc282589e9e43598494940215f634e6/FLAG22d715cbf [2024-12-05 23:39:49,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/data/2f2091eed/dfc282589e9e43598494940215f634e6 [2024-12-05 23:39:49,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:39:49,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:39:49,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:49,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:39:49,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:39:49,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:49" (1/1) ... [2024-12-05 23:39:49,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69880e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:49, skipping insertion in model container [2024-12-05 23:39:49,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:39:49" (1/1) ... [2024-12-05 23:39:49,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:39:50,129 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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-12-05 23:39:50,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:50,422 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:39:50,431 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_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.7.prop1-back-serstep.c[1174,1187] [2024-12-05 23:39:50,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:39:50,602 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:39:50,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50 WrapperNode [2024-12-05 23:39:50,603 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:39:50,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:50,604 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:39:50,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:39:50,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,737 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2983 [2024-12-05 23:39:50,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:39:50,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:39:50,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:39:50,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:39:50,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:39:50,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:39:50,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:39:50,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:39:50,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:39:50" (1/1) ... [2024-12-05 23:39:50,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:50,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:39:50,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:39:50,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:39:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:39:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:39:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:39:50,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:39:51,374 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:39:51,375 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:39:55,038 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-12-05 23:39:55,038 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:39:55,133 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:39:55,133 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:39:55,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:55 BoogieIcfgContainer [2024-12-05 23:39:55,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:39:55,134 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:39:55,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:39:55,144 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:39:55,144 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:39:55" (1/1) ... [2024-12-05 23:39:55,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:39:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:39:55,196 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:39:55,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:39:55,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:55,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:55,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:55,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:55,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:39:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:56,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:56,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:39:56,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:56,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:39:56,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:39:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:56,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:39:56,903 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:39:56,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:39:56,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:56,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:56,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:56,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:56,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d8cfdae-dfc1-4562-bcc3-f552f68d6853/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:39:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:58,222 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:58,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-05 23:39:58,683 INFO L279 TraceCheckSpWp]: Computing forward predicates...