./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm --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 2f5d1caac7bf708c4119c29d798b4046bdc15eade373db47a79a21cda9801b3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:21:40,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:21:40,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:21:40,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:21:40,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:21:40,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:21:40,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:21:40,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:21:40,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:21:40,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:21:40,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:21:40,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:21:40,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:21:40,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:21:40,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:21:40,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:21:40,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:21:40,305 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:21:40,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:21:40,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:21:40,306 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:21:40,306 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:21:40,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:21:40,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:21:40,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:21:40,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:21:40,307 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:21:40,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:21:40,307 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:21:40,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:21:40,307 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_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm 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 -> 2f5d1caac7bf708c4119c29d798b4046bdc15eade373db47a79a21cda9801b3b [2024-11-13 22:21:40,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:21:40,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:21:40,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:21:40,638 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:21:40,638 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:21:40,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:21:42,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:21:42,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:21:42,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c [2024-11-13 22:21:42,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data/37ceb57cd/1de743b53cbe453bb09e1bb1988cfe90/FLAGa477de2a6 [2024-11-13 22:21:42,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data/37ceb57cd/1de743b53cbe453bb09e1bb1988cfe90 [2024-11-13 22:21:42,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:21:42,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:21:42,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:21:42,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:21:42,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:21:42,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:21:42" (1/1) ... [2024-11-13 22:21:42,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d0a0fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:42, skipping insertion in model container [2024-11-13 22:21:42,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:21:42" (1/1) ... [2024-11-13 22:21:42,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:21:43,096 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_2e3eebb0-3b18-48b9-ae70-79191654c374/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c[1175,1188] [2024-11-13 22:21:43,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:21:43,469 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:21:43,480 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c[1175,1188] [2024-11-13 22:21:43,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:21:43,650 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:21:43,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43 WrapperNode [2024-11-13 22:21:43,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:21:43,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:21:43,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:21:43,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:21:43,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:43,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,337 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4037 [2024-11-13 22:21:44,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:21:44,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:21:44,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:21:44,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:21:44,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:44,997 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:21:44,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:21:44,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:21:45,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:21:45,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:21:43" (1/1) ... [2024-11-13 22:21:45,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:21:45,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:21:45,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:21:45,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:21:45,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:21:45,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:21:45,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:21:45,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:21:45,564 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:21:45,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:21:51,382 INFO L? ?]: Removed 2217 outVars from TransFormulas that were not future-live. [2024-11-13 22:21:51,382 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:21:59,261 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:21:59,261 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:21:59,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:59 BoogieIcfgContainer [2024-11-13 22:21:59,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:21:59,263 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:21:59,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:21:59,273 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:21:59,273 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:59" (1/1) ... [2024-11-13 22:21:59,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:21:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:21:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:21:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:21:59,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:59,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:07,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:22:17,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:22:27,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:22:31,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:22:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:22:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:22:31,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:22:31,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:31,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:23:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:23:16,447 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) [2024-11-13 22:23:16,452 INFO L158 Benchmark]: Toolchain (without parser) took 93621.73ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 115.6MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 492.8MB. Max. memory is 16.1GB. [2024-11-13 22:23:16,452 INFO L158 Benchmark]: CDTParser took 1.11ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:23:16,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 819.48ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 61.2MB in the end (delta: 54.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:23:16,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 686.08ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2024-11-13 22:23:16,456 INFO L158 Benchmark]: Boogie Preprocessor took 659.53ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 58.9MB in the beginning and 249.6MB in the end (delta: -190.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-13 22:23:16,460 INFO L158 Benchmark]: RCFGBuilder took 14262.83ms. Allocated memory was 369.1MB in the beginning and 503.3MB in the end (delta: 134.2MB). Free memory was 249.4MB in the beginning and 110.0MB in the end (delta: 139.4MB). Peak memory consumption was 372.8MB. Max. memory is 16.1GB. [2024-11-13 22:23:16,460 INFO L158 Benchmark]: CodeCheck took 77187.92ms. Allocated memory was 503.3MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 110.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 125.3MB. Max. memory is 16.1GB. [2024-11-13 22:23:16,463 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 1.11ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 819.48ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 61.2MB in the end (delta: 54.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 686.08ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 659.53ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 58.9MB in the beginning and 249.6MB in the end (delta: -190.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * RCFGBuilder took 14262.83ms. Allocated memory was 369.1MB in the beginning and 503.3MB in the end (delta: 134.2MB). Free memory was 249.4MB in the beginning and 110.0MB in the end (delta: 139.4MB). Peak memory consumption was 372.8MB. Max. memory is 16.1GB. * CodeCheck took 77187.92ms. Allocated memory was 503.3MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 110.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 125.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:23:16,679 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:23:16,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm --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 2f5d1caac7bf708c4119c29d798b4046bdc15eade373db47a79a21cda9801b3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:23:19,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:23:19,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:23:19,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:23:19,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:23:19,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:23:19,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:23:19,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:23:19,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:23:19,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:23:19,445 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:23:19,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:19,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:19,446 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:23:19,447 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_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm 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 -> 2f5d1caac7bf708c4119c29d798b4046bdc15eade373db47a79a21cda9801b3b [2024-11-13 22:23:19,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:23:19,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:23:19,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:23:19,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:23:19,782 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:23:19,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:23:21,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:23:22,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:23:22,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c [2024-11-13 22:23:22,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data/18a70dc44/c05ee0fcb4d24232a3955b42c738a3bd/FLAG4e7360698 [2024-11-13 22:23:22,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/data/18a70dc44/c05ee0fcb4d24232a3955b42c738a3bd [2024-11-13 22:23:22,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:23:22,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:23:22,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:22,412 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:23:22,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:23:22,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:22" (1/1) ... [2024-11-13 22:23:22,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77be6647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:22, skipping insertion in model container [2024-11-13 22:23:22,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:23:22" (1/1) ... [2024-11-13 22:23:22,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:23:22,693 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_2e3eebb0-3b18-48b9-ae70-79191654c374/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c[1175,1188] [2024-11-13 22:23:22,991 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:23,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:23:23,021 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_2e3eebb0-3b18-48b9-ae70-79191654c374/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.1.prop1-back-serstep.c[1175,1188] [2024-11-13 22:23:23,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:23:23,225 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:23:23,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23 WrapperNode [2024-11-13 22:23:23,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:23:23,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:23,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:23:23,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:23:23,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,400 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1309 [2024-11-13 22:23:23,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:23:23,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:23:23,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:23:23,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:23:23,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,521 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:23:23,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:23:23,525 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:23:23,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:23:23,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:23:23" (1/1) ... [2024-11-13 22:23:23,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:23:23,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:23:23,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:23:23,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:23:23,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:23:23,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:23:23,886 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:23:23,888 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:23:25,803 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-13 22:23:25,804 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:23:25,878 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:23:25,878 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:23:25,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:25 BoogieIcfgContainer [2024-11-13 22:23:25,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:23:25,880 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:23:25,880 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:23:25,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:23:25,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:23:25" (1/1) ... [2024-11-13 22:23:25,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:23:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:23:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:23:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:23:25,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:25,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:25,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:25,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:25,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:23:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:26,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:26,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:23:26,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:23:26,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:23:26,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:23:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:23:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:23:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:23:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:23:27,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:23:27,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:23:27,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:23:27,056 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:23:27,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e3eebb0-3b18-48b9-ae70-79191654c374/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:23:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:27,995 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:23:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:23:28,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-13 22:23:28,357 INFO L278 TraceCheckSpWp]: Computing forward predicates...