./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8802d28845004ac775d83034702ae5ba264493763e67165413e0f4044cbd1b04 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:50:47,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:50:47,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:50:47,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:50:47,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:50:47,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:50:47,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:50:47,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:50:47,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:50:47,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:50:47,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:50:47,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:50:47,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:50:47,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:50:47,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:50:47,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:50:47,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:50:47,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:50:47,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:47,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:50:47,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:50:47,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:50:47,995 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:50:47,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:50:47,995 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_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8802d28845004ac775d83034702ae5ba264493763e67165413e0f4044cbd1b04 [2024-12-06 00:50:48,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:50:48,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:50:48,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:50:48,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:50:48,233 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:50:48,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c [2024-12-06 00:50:50,802 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/74f35b026/48f99b444f814bdb8d8cc9dbc4902144/FLAGb32386fbb [2024-12-06 00:50:51,117 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:50:51,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c [2024-12-06 00:50:51,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/74f35b026/48f99b444f814bdb8d8cc9dbc4902144/FLAGb32386fbb [2024-12-06 00:50:51,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/74f35b026/48f99b444f814bdb8d8cc9dbc4902144 [2024-12-06 00:50:51,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:50:51,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:50:51,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:51,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:50:51,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:50:51,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:51" (1/1) ... [2024-12-06 00:50:51,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5bce4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:51, skipping insertion in model container [2024-12-06 00:50:51,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:50:51" (1/1) ... [2024-12-06 00:50:51,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:50:51,583 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_5ce83a52-2447-49ab-a352-7130a81812aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c[1171,1184] [2024-12-06 00:50:51,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:51,926 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:50:51,936 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_5ce83a52-2447-49ab-a352-7130a81812aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c[1171,1184] [2024-12-06 00:50:52,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:50:52,153 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:50:52,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52 WrapperNode [2024-12-06 00:50:52,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:50:52,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:52,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:50:52,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:50:52,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:52,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:52,864 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9236 [2024-12-06 00:50:52,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:50:52,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:50:52,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:50:52,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:50:52,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:52,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:50:53,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:50:53,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:50:53,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:50:53,561 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:50:52" (1/1) ... [2024-12-06 00:50:53,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:50:53,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:50:53,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:50:53,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:50:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:50:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:50:53,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:50:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:50:54,142 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:50:54,145 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:51:06,806 INFO L? ?]: Removed 5090 outVars from TransFormulas that were not future-live. [2024-12-06 00:51:06,807 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:51:19,543 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:51:19,543 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:51:19,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:19 BoogieIcfgContainer [2024-12-06 00:51:19,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:51:19,544 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:51:19,544 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:51:19,553 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:51:19,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:51:19" (1/1) ... [2024-12-06 00:51:19,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:51:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:51:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:51:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:51:19,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:19,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:51:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:51:32,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:51:42,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:51:42,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:51:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:51:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:51:42,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:53:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:53:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:53:40,567 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:53:40,572 INFO L158 Benchmark]: Toolchain (without parser) took 169197.05ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 114.7MB in the beginning and 491.8MB in the end (delta: -377.1MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 00:53:40,573 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:53:40,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.39ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 75.2MB in the end (delta: 39.3MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 710.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 75.2MB in the beginning and 241.2MB in the end (delta: -166.0MB). Peak memory consumption was 280.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,575 INFO L158 Benchmark]: Boogie Preprocessor took 694.00ms. Allocated memory was 427.8MB in the beginning and 729.8MB in the end (delta: 302.0MB). Free memory was 241.2MB in the beginning and 492.8MB in the end (delta: -251.5MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,576 INFO L158 Benchmark]: RCFGBuilder took 25983.77ms. Allocated memory was 729.8MB in the beginning and 1.1GB in the end (delta: 360.7MB). Free memory was 492.8MB in the beginning and 117.5MB in the end (delta: 375.3MB). Peak memory consumption was 926.6MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,577 INFO L158 Benchmark]: CodeCheck took 141026.22ms. Allocated memory was 1.1GB in the beginning and 1.8GB in the end (delta: 671.1MB). Free memory was 117.5MB in the beginning and 491.8MB in the end (delta: -374.3MB). Peak memory consumption was 293.8MB. Max. memory is 16.1GB. [2024-12-06 00:53:40,580 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.39ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 75.2MB in the end (delta: 39.3MB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 710.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 75.2MB in the beginning and 241.2MB in the end (delta: -166.0MB). Peak memory consumption was 280.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 694.00ms. Allocated memory was 427.8MB in the beginning and 729.8MB in the end (delta: 302.0MB). Free memory was 241.2MB in the beginning and 492.8MB in the end (delta: -251.5MB). Peak memory consumption was 76.4MB. Max. memory is 16.1GB. * RCFGBuilder took 25983.77ms. Allocated memory was 729.8MB in the beginning and 1.1GB in the end (delta: 360.7MB). Free memory was 492.8MB in the beginning and 117.5MB in the end (delta: 375.3MB). Peak memory consumption was 926.6MB. Max. memory is 16.1GB. * CodeCheck took 141026.22ms. Allocated memory was 1.1GB in the beginning and 1.8GB in the end (delta: 671.1MB). Free memory was 117.5MB in the beginning and 491.8MB in the end (delta: -374.3MB). Peak memory consumption was 293.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:53:40,792 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:53:40,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/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_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8802d28845004ac775d83034702ae5ba264493763e67165413e0f4044cbd1b04 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:53:42,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:53:42,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:53:42,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:53:42,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:53:42,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:53:42,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:53:42,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:53:42,745 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:53:42,746 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:42,746 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:53:42,746 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:53:42,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:42,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:53:42,747 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:53:42,747 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:53:42,747 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:53:42,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:42,747 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:53:42,747 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_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8802d28845004ac775d83034702ae5ba264493763e67165413e0f4044cbd1b04 [2024-12-06 00:53:42,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:53:42,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:53:42,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:53:42,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:53:42,996 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:53:42,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c [2024-12-06 00:53:45,665 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/92888b819/726932799a274edc9fd8ce2092601014/FLAGd0455dc75 [2024-12-06 00:53:45,936 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:53:45,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c [2024-12-06 00:53:45,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/92888b819/726932799a274edc9fd8ce2092601014/FLAGd0455dc75 [2024-12-06 00:53:46,215 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/data/92888b819/726932799a274edc9fd8ce2092601014 [2024-12-06 00:53:46,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:53:46,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:53:46,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:46,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:53:46,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:53:46,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:46,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266e076f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46, skipping insertion in model container [2024-12-06 00:53:46,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:46,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:53:46,446 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_5ce83a52-2447-49ab-a352-7130a81812aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c[1171,1184] [2024-12-06 00:53:46,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:46,722 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:53:46,731 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_5ce83a52-2447-49ab-a352-7130a81812aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.3.prop2-func-interl.c[1171,1184] [2024-12-06 00:53:46,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:53:46,888 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:53:46,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46 WrapperNode [2024-12-06 00:53:46,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:53:46,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:46,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:53:46,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:53:46,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:46,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,024 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2644 [2024-12-06 00:53:47,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:53:47,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:53:47,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:53:47,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:53:47,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:53:47,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:53:47,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:53:47,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:53:47,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:53:46" (1/1) ... [2024-12-06 00:53:47,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:53:47,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:53:47,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:53:47,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:53:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:53:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:53:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:53:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:53:47,645 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:53:47,647 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:53:49,867 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-06 00:53:49,867 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:53:49,937 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:53:49,937 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:53:49,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:49 BoogieIcfgContainer [2024-12-06 00:53:49,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:53:49,938 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:53:49,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:53:49,946 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:53:49,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:53:49" (1/1) ... [2024-12-06 00:53:49,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:53:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:53:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:53:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:53:49,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:49,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:49,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:53:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:50,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:50,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:53:50,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:51,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:53:51,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:53:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:53:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:53:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:53:51,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:51,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:51,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:51,467 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:51,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ce83a52-2447-49ab-a352-7130a81812aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:53:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:52,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:52,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:53:52,977 INFO L279 TraceCheckSpWp]: Computing forward predicates...