./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk --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 cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:24:23,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:24:23,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:24:23,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:24:23,121 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:24:23,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:24:23,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:24:23,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:24:23,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:24:23,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:24:23,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:24:23,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:24:23,166 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:24:23,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:24:23,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:24:23,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:24:23,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:24:23,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:24:23,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:24:23,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:24:23,172 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:24:23,175 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:24:23,176 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:24:23,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:24:23,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:23,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:24:23,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:24:23,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:24:23,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:24:23,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:24:23,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 [2024-11-08 22:24:23,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:24:23,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:24:23,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:24:23,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:24:23,559 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:24:23,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:24:25,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:24:26,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:24:26,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2024-11-08 22:24:26,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data/8750d6c4e/5b7005a5a1d84368ae004475046d1226/FLAGb23b8ce89 [2024-11-08 22:24:26,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data/8750d6c4e/5b7005a5a1d84368ae004475046d1226 [2024-11-08 22:24:26,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:24:26,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:24:26,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:26,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:24:26,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:24:26,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:26" (1/1) ... [2024-11-08 22:24:26,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d851193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:26, skipping insertion in model container [2024-11-08 22:24:26,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:24:26" (1/1) ... [2024-11-08 22:24:26,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:24:26,804 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_4b549328-b29d-45d1-bc12-303dfa0519c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-11-08 22:24:27,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:27,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:24:27,098 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_4b549328-b29d-45d1-bc12-303dfa0519c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-11-08 22:24:27,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:24:27,242 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:24:27,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27 WrapperNode [2024-11-08 22:24:27,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:24:27,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:27,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:24:27,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:24:27,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,661 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1950 [2024-11-08 22:24:27,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:24:27,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:24:27,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:24:27,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:24:27,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,911 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:24:27,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:24:27,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:24:27,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:24:27,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:24:27" (1/1) ... [2024-11-08 22:24:27,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:24:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:24:27,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:24:27,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:24:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:24:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:24:28,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:24:28,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:24:28,311 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:24:28,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:31,693 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:31,694 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:24:35,621 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:24:35,622 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:24:35,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:35 BoogieIcfgContainer [2024-11-08 22:24:35,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:24:35,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:24:35,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:24:35,638 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:24:35,638 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:24:35" (1/1) ... [2024-11-08 22:24:35,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:24:35,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:35,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:24:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:24:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:24:35,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:35,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:24:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:38,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:24:48,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:58,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:24:59,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:24:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:24:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:24:59,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:59,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:25:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:12,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:25:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:25:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:25:32,847 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) [2024-11-08 22:25:32,853 INFO L158 Benchmark]: Toolchain (without parser) took 66361.80ms. Allocated memory was 138.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 99.2MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 228.3MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,853 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 138.4MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:25:32,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.83ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 66.3MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 417.64ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 66.3MB in the beginning and 131.5MB in the end (delta: -65.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,856 INFO L158 Benchmark]: Boogie Preprocessor took 248.57ms. Allocated memory is still 199.2MB. Free memory was 131.5MB in the beginning and 114.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,857 INFO L158 Benchmark]: RCFGBuilder took 7710.76ms. Allocated memory was 199.2MB in the beginning and 591.4MB in the end (delta: 392.2MB). Free memory was 114.7MB in the beginning and 482.8MB in the end (delta: -368.1MB). Peak memory consumption was 200.2MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,858 INFO L158 Benchmark]: CodeCheck took 57227.10ms. Allocated memory was 591.4MB in the beginning and 1.4GB in the end (delta: 784.3MB). Free memory was 482.8MB in the beginning and 1.1GB in the end (delta: -625.9MB). Peak memory consumption was 157.4MB. Max. memory is 16.1GB. [2024-11-08 22:25:32,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 138.4MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.83ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 66.3MB in the end (delta: 32.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 417.64ms. Allocated memory was 138.4MB in the beginning and 199.2MB in the end (delta: 60.8MB). Free memory was 66.3MB in the beginning and 131.5MB in the end (delta: -65.2MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 248.57ms. Allocated memory is still 199.2MB. Free memory was 131.5MB in the beginning and 114.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 7710.76ms. Allocated memory was 199.2MB in the beginning and 591.4MB in the end (delta: 392.2MB). Free memory was 114.7MB in the beginning and 482.8MB in the end (delta: -368.1MB). Peak memory consumption was 200.2MB. Max. memory is 16.1GB. * CodeCheck took 57227.10ms. Allocated memory was 591.4MB in the beginning and 1.4GB in the end (delta: 784.3MB). Free memory was 482.8MB in the beginning and 1.1GB in the end (delta: -625.9MB). Peak memory consumption was 157.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:25:32,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk --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 cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:25:35,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:25:35,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:25:35,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:25:35,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:25:35,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:25:35,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:25:35,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:25:35,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:25:35,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:25:35,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:25:35,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:25:35,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:25:35,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:25:35,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:25:35,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:25:35,902 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:25:35,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:25:35,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:25:35,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:25:35,904 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:25:35,908 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:25:35,909 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:25:35,909 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:35,910 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:25:35,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:25:35,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:35,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:25:35,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:25:35,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:25:35,914 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:25:35,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:35,916 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:25:35,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 [2024-11-08 22:25:36,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:25:36,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:25:36,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:25:36,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:25:36,445 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:25:36,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:25:38,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:25:39,351 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:25:39,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2024-11-08 22:25:39,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data/588f9da07/26d0a2525bb34a4cad4c448a140bf714/FLAG7ff524db3 [2024-11-08 22:25:39,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/data/588f9da07/26d0a2525bb34a4cad4c448a140bf714 [2024-11-08 22:25:39,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:25:39,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:25:39,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:39,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:25:39,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:25:39,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:39,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454fcf9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:39, skipping insertion in model container [2024-11-08 22:25:39,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:25:39" (1/1) ... [2024-11-08 22:25:39,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:25:39,961 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_4b549328-b29d-45d1-bc12-303dfa0519c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-11-08 22:25:40,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:40,160 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:25:40,175 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_4b549328-b29d-45d1-bc12-303dfa0519c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2024-11-08 22:25:40,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:25:40,355 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:25:40,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40 WrapperNode [2024-11-08 22:25:40,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:25:40,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:40,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:25:40,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:25:40,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,447 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 574 [2024-11-08 22:25:40,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:25:40,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:25:40,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:25:40,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:25:40,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,486 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:25:40,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:25:40,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:25:40,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:25:40,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:25:40" (1/1) ... [2024-11-08 22:25:40,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:25:40,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:25:40,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:25:40,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:25:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:25:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:25:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:25:40,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:25:40,838 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:25:40,841 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:25:41,966 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-08 22:25:41,967 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:25:42,048 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:25:42,049 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:25:42,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:42 BoogieIcfgContainer [2024-11-08 22:25:42,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:25:42,050 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:25:42,051 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:25:42,063 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:25:42,063 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:25:42" (1/1) ... [2024-11-08 22:25:42,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:25:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:25:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:25:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:25:42,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:42,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:42,178 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:42,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:25:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:42,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:42,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:25:42,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:42,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:25:42,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:25:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:25:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:25:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:25:42,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:42,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:42,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:42,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b549328-b29d-45d1-bc12-303dfa0519c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:25:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:43,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:43,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 22:25:43,801 INFO L278 TraceCheckSpWp]: Computing forward predicates...