./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb457439486769bde200cf10219264431ca436c026fe91aa9538b357d8cc80bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:24:19,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:24:20,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 04:24:20,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:24:20,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:24:20,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:24:20,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:24:20,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:24:20,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:24:20,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:24:20,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:24:20,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:24:20,070 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:24:20,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:24:20,070 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:24:20,070 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:24:20,070 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:24:20,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:24:20,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:20,071 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:24:20,071 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:24:20,071 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:24:20,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:24:20,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:24:20,071 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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb457439486769bde200cf10219264431ca436c026fe91aa9538b357d8cc80bf [2024-11-25 04:24:20,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:24:20,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:24:20,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:24:20,392 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:24:20,393 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:24:20,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c [2024-11-25 04:24:23,357 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/07fabd19c/b297c44b813e45b4829cc55aad1b7635/FLAG7c8217bbe [2024-11-25 04:24:23,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:24:23,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c [2024-11-25 04:24:23,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/07fabd19c/b297c44b813e45b4829cc55aad1b7635/FLAG7c8217bbe [2024-11-25 04:24:23,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/07fabd19c/b297c44b813e45b4829cc55aad1b7635 [2024-11-25 04:24:23,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:24:23,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:24:23,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:23,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:24:23,843 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:24:23,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:23" (1/1) ... [2024-11-25 04:24:23,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4e6aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:23, skipping insertion in model container [2024-11-25 04:24:23,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:24:23" (1/1) ... [2024-11-25 04:24:23,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:24:24,187 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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c[1176,1189] [2024-11-25 04:24:24,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:24,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:24:24,818 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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c[1176,1189] [2024-11-25 04:24:25,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:24:25,202 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:24:25,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25 WrapperNode [2024-11-25 04:24:25,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:24:25,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:25,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:24:25,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:24:25,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:25,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,209 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7642 [2024-11-25 04:24:26,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:24:26,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:24:26,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:24:26,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:24:26,217 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,639 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:26,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:27,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:24:27,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:24:27,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:24:27,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:24:27,288 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:24:25" (1/1) ... [2024-11-25 04:24:27,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:24:27,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:24:27,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:24:27,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:24:27,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:24:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:24:27,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:24:27,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:24:28,352 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:24:28,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:24:39,738 INFO L? ?]: Removed 4211 outVars from TransFormulas that were not future-live. [2024-11-25 04:24:39,739 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:24:54,005 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:24:54,005 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:24:54,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:54 BoogieIcfgContainer [2024-11-25 04:24:54,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:24:54,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:24:54,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:24:54,020 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:24:54,020 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:24:54" (1/1) ... [2024-11-25 04:24:54,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:24:54,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:24:54,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:24:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:24:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:24:54,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:24:54,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:24:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:25:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:25:11,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:21,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:23,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:24,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:27,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:31,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:25:41,572 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 [] [2024-11-25 04:25:41,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:41,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 04:25:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 04:25:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:25:41,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:28:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:28:12,932 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:30:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:31:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:31:02,298 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:31:02,302 INFO L158 Benchmark]: Toolchain (without parser) took 398465.26ms. Allocated memory was 142.6MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 114.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 04:31:02,302 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:31:02,303 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.51ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 71.8MB in the end (delta: 42.0MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:02,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 1006.39ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 71.8MB in the beginning and 171.0MB in the end (delta: -99.2MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-11-25 04:31:02,304 INFO L158 Benchmark]: Boogie Preprocessor took 1075.25ms. Allocated memory was 335.5MB in the beginning and 1.0GB in the end (delta: 671.1MB). Free memory was 171.0MB in the beginning and 809.3MB in the end (delta: -638.3MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. [2024-11-25 04:31:02,304 INFO L158 Benchmark]: RCFGBuilder took 26719.21ms. Allocated memory was 1.0GB in the beginning and 1.8GB in the end (delta: 771.8MB). Free memory was 809.3MB in the beginning and 1.1GB in the end (delta: -248.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-25 04:31:02,305 INFO L158 Benchmark]: CodeCheck took 368293.67ms. Allocated memory was 1.8GB in the beginning and 2.4GB in the end (delta: 612.4MB). Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: -83.8MB). Peak memory consumption was 528.4MB. Max. memory is 16.1GB. [2024-11-25 04:31:02,307 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.51ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 71.8MB in the end (delta: 42.0MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1006.39ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 71.8MB in the beginning and 171.0MB in the end (delta: -99.2MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1075.25ms. Allocated memory was 335.5MB in the beginning and 1.0GB in the end (delta: 671.1MB). Free memory was 171.0MB in the beginning and 809.3MB in the end (delta: -638.3MB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. * RCFGBuilder took 26719.21ms. Allocated memory was 1.0GB in the beginning and 1.8GB in the end (delta: 771.8MB). Free memory was 809.3MB in the beginning and 1.1GB in the end (delta: -248.3MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 368293.67ms. Allocated memory was 1.8GB in the beginning and 2.4GB in the end (delta: 612.4MB). Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: -83.8MB). Peak memory consumption was 528.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:31:02,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb457439486769bde200cf10219264431ca436c026fe91aa9538b357d8cc80bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:31:05,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:31:05,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:31:05,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:31:05,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:31:05,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:31:05,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:31:05,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:31:05,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:31:05,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:31:05,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:31:05,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:31:05,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:31:05,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:31:05,233 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:31:05,234 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:31:05,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:31:05,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:31:05,235 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:31:05,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:31:05,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:31:05,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:31:05,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:31:05,235 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:05,235 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:31:05,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:31:05,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:05,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:31:05,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:31:05,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:31:05,237 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:31:05,237 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:05,237 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:31:05,238 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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb457439486769bde200cf10219264431ca436c026fe91aa9538b357d8cc80bf [2024-11-25 04:31:05,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:31:05,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:31:05,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:31:05,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:31:05,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:31:05,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c [2024-11-25 04:31:08,695 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/4ec4cef1a/1945a0c006f9421e88e505eac22e613c/FLAG79a997992 [2024-11-25 04:31:09,029 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:31:09,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c [2024-11-25 04:31:09,052 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/4ec4cef1a/1945a0c006f9421e88e505eac22e613c/FLAG79a997992 [2024-11-25 04:31:09,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/data/4ec4cef1a/1945a0c006f9421e88e505eac22e613c [2024-11-25 04:31:09,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:31:09,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:31:09,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:09,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:31:09,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:31:09,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:09" (1/1) ... [2024-11-25 04:31:09,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@598ea89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:09, skipping insertion in model container [2024-11-25 04:31:09,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:09" (1/1) ... [2024-11-25 04:31:09,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:31:09,404 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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c[1176,1189] [2024-11-25 04:31:09,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:09,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:31:09,920 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_94eba770-0cdb-4a10-912a-0af0bf8cedfb/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-back-serstep.c[1176,1189] [2024-11-25 04:31:10,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:31:10,185 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:31:10,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10 WrapperNode [2024-11-25 04:31:10,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:31:10,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:10,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:31:10,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:31:10,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,420 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2546 [2024-11-25 04:31:10,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:31:10,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:31:10,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:31:10,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:31:10,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,553 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:31:10,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:31:10,637 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:31:10,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:31:10,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:10" (1/1) ... [2024-11-25 04:31:10,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:31:10,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:31:10,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:31:10,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:31:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:31:10,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:31:10,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:31:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:31:11,365 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:31:11,368 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:31:15,893 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-11-25 04:31:15,893 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:31:16,004 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:31:16,004 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:31:16,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:16 BoogieIcfgContainer [2024-11-25 04:31:16,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:31:16,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:31:16,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:31:16,017 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:31:16,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:31:16" (1/1) ... [2024-11-25 04:31:16,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:31:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:31:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:31:16,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:31:16,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:16,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:16,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:16,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:16,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:31:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:17,168 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:17,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:31:17,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:31:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:31:17,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:31:18,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:31:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:31:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:31:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:31:18,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:31:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:31:18,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:31:18,113 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:31:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94eba770-0cdb-4a10-912a-0af0bf8cedfb/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:31:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:19,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:31:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:31:20,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-25 04:31:20,466 INFO L279 TraceCheckSpWp]: Computing forward predicates...