./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.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_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/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_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/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_34de6c89-7a14-4138-a4fd-8a8fcf233119/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 a66e3591cfdc0dea486430bcae83f75bbd561048248b0ed4eb67a1374e11cf08 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:20:31,964 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:20:32,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:20:32,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:20:32,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:20:32,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:20:32,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:20:32,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:20:32,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:20:32,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:20:32,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:20:32,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:20:32,113 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:20:32,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:20:32,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:20:32,115 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:20:32,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:20:32,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:20:32,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:32,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:20:32,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:20:32,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:20:32,116 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:20:32,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:20:32,117 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_34de6c89-7a14-4138-a4fd-8a8fcf233119/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 -> a66e3591cfdc0dea486430bcae83f75bbd561048248b0ed4eb67a1374e11cf08 [2024-11-13 22:20:32,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:20:32,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:20:32,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:20:32,527 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:20:32,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:20:32,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:20:34,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:20:35,012 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:20:35,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c [2024-11-13 22:20:35,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data/373513c53/06aa546dc80c46d0b4a8e9928be08faa/FLAG31906d316 [2024-11-13 22:20:35,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data/373513c53/06aa546dc80c46d0b4a8e9928be08faa [2024-11-13 22:20:35,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:20:35,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:20:35,078 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:35,078 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:20:35,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:20:35,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:35" (1/1) ... [2024-11-13 22:20:35,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a655f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:35, skipping insertion in model container [2024-11-13 22:20:35,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:20:35" (1/1) ... [2024-11-13 22:20:35,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:20:35,404 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_34de6c89-7a14-4138-a4fd-8a8fcf233119/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c[1177,1190] [2024-11-13 22:20:36,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:36,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:20:36,154 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_34de6c89-7a14-4138-a4fd-8a8fcf233119/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c[1177,1190] [2024-11-13 22:20:36,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:20:36,594 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:20:36,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36 WrapperNode [2024-11-13 22:20:36,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:20:36,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:36,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:20:36,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:20:36,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:36,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:37,824 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9548 [2024-11-13 22:20:37,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:20:37,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:20:37,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:20:37,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:20:37,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:37,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:20:38,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:20:38,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:20:38,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:20:38,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:20:36" (1/1) ... [2024-11-13 22:20:38,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:20:38,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:20:38,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:20:38,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:20:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:20:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:20:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:20:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:20:39,535 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:20:39,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:20:57,352 INFO L? ?]: Removed 4821 outVars from TransFormulas that were not future-live. [2024-11-13 22:20:57,352 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:21:20,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:21:20,322 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:21:20,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:20 BoogieIcfgContainer [2024-11-13 22:21:20,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:21:20,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:21:20,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:21:20,335 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:21:20,335 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:21:20" (1/1) ... [2024-11-13 22:21:20,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:21:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:21:20,416 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:21:20,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:21:20,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:20,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:25,195 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 22:21:35,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:21:45,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 22:21:49,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:22:00,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:22:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:22:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:22:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:22:00,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:25:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:25:45,207 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 22:25:45,212 INFO L158 Benchmark]: Toolchain (without parser) took 310137.12ms. Allocated memory was 142.6MB in the beginning and 6.0GB in the end (delta: 5.9GB). Free memory was 115.5MB in the beginning and 3.3GB in the end (delta: -3.2GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-11-13 22:25:45,212 INFO L158 Benchmark]: CDTParser took 1.66ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:25:45,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.67ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 73.1MB in the end (delta: 42.4MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. [2024-11-13 22:25:45,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 1226.87ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 73.1MB in the beginning and 141.4MB in the end (delta: -68.2MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. [2024-11-13 22:25:45,214 INFO L158 Benchmark]: Boogie Preprocessor took 1055.03ms. Allocated memory is still 318.8MB. Free memory was 141.4MB in the beginning and 105.4MB in the end (delta: 35.9MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2024-11-13 22:25:45,214 INFO L158 Benchmark]: RCFGBuilder took 41440.43ms. Allocated memory was 318.8MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 105.4MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 22:25:45,215 INFO L158 Benchmark]: CodeCheck took 264887.69ms. Allocated memory was 3.5GB in the beginning and 6.0GB in the end (delta: 2.5GB). Free memory was 2.9GB in the beginning and 3.3GB in the end (delta: -420.7MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-11-13 22:25:45,217 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 1.66ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.67ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 73.1MB in the end (delta: 42.4MB). Peak memory consumption was 117.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1226.87ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 73.1MB in the beginning and 141.4MB in the end (delta: -68.2MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1055.03ms. Allocated memory is still 318.8MB. Free memory was 141.4MB in the beginning and 105.4MB in the end (delta: 35.9MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * RCFGBuilder took 41440.43ms. Allocated memory was 318.8MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 105.4MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 264887.69ms. Allocated memory was 3.5GB in the beginning and 6.0GB in the end (delta: 2.5GB). Free memory was 2.9GB in the beginning and 3.3GB in the end (delta: -420.7MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:25:45,427 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:25:45,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/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_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/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_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/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_34de6c89-7a14-4138-a4fd-8a8fcf233119/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 a66e3591cfdc0dea486430bcae83f75bbd561048248b0ed4eb67a1374e11cf08 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:25:48,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:25:48,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:25:48,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:25:48,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:25:48,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:25:48,191 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:25:48,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:25:48,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:25:48,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:25:48,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:25:48,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:25:48,192 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:25:48,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:25:48,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:25:48,193 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:48,194 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:25:48,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:25:48,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:48,194 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:25:48,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:25:48,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:25:48,195 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:25:48,195 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:25:48,195 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:25:48,195 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_34de6c89-7a14-4138-a4fd-8a8fcf233119/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 -> a66e3591cfdc0dea486430bcae83f75bbd561048248b0ed4eb67a1374e11cf08 [2024-11-13 22:25:48,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:25:48,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:25:48,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:25:48,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:25:48,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:25:48,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:25:50,567 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:25:51,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:25:51,067 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c [2024-11-13 22:25:51,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data/95a6a724b/9e1ef070050944bfad541c8f911801ee/FLAG5e434cdce [2024-11-13 22:25:51,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/data/95a6a724b/9e1ef070050944bfad541c8f911801ee [2024-11-13 22:25:51,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:25:51,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:25:51,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:51,147 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:25:51,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:25:51,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:51" (1/1) ... [2024-11-13 22:25:51,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fe4ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:51, skipping insertion in model container [2024-11-13 22:25:51,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:25:51" (1/1) ... [2024-11-13 22:25:51,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:25:51,479 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_34de6c89-7a14-4138-a4fd-8a8fcf233119/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c[1177,1190] [2024-11-13 22:25:51,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:51,960 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:25:51,972 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_34de6c89-7a14-4138-a4fd-8a8fcf233119/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.collision.1.prop1-back-serstep.c[1177,1190] [2024-11-13 22:25:52,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:25:52,216 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:25:52,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52 WrapperNode [2024-11-13 22:25:52,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:25:52,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:52,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:25:52,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:25:52,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,375 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2388 [2024-11-13 22:25:52,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:25:52,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:25:52,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:25:52,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:25:52,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:25:52,602 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:25:52,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:25:52,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:25:52,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:25:52" (1/1) ... [2024-11-13 22:25:52,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:25:52,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:25:52,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:25:52,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:25:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:25:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:25:52,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:25:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:25:53,245 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:25:53,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:26:07,380 INFO L? ?]: Removed 202 outVars from TransFormulas that were not future-live. [2024-11-13 22:26:07,380 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:26:07,461 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:26:07,462 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:26:07,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:07 BoogieIcfgContainer [2024-11-13 22:26:07,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:26:07,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:26:07,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:26:07,472 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:26:07,472 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:07" (1/1) ... [2024-11-13 22:26:07,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:26:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:26:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:26:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:26:07,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:07,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:07,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:07,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:26:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:08,381 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:08,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:26:08,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:26:08,869 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 22:26:08,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:26:17,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:26:19,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:26:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:26:19,575 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:26:19,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:26:19,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:19,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:26:19,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:26:19,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:26:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34de6c89-7a14-4138-a4fd-8a8fcf233119/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:26:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:23,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:26:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:24,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-13 22:26:24,077 INFO L278 TraceCheckSpWp]: Computing forward predicates...