./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.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_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/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_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/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_47c9a328-d531-4c5b-ab55-406a513090aa/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 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:24:53,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:24:53,980 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:24:53,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:24:53,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:24:54,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:24:54,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:24:54,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:24:54,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:24:54,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:24:54,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:24:54,007 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:24:54,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:24:54,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:24:54,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:24:54,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:24:54,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:24:54,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:24:54,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:24:54,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:24:54,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:24:54,009 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:24:54,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:24:54,009 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_47c9a328-d531-4c5b-ab55-406a513090aa/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 -> 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a [2024-12-06 00:24:54,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:24:54,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:24:54,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:24:54,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:24:54,253 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:24:54,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c [2024-12-06 00:24:56,908 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/7a83ed2f4/9a5f22de73e648219981ec611038f485/FLAGdc994b648 [2024-12-06 00:24:57,165 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:24:57,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c [2024-12-06 00:24:57,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/7a83ed2f4/9a5f22de73e648219981ec611038f485/FLAGdc994b648 [2024-12-06 00:24:57,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/7a83ed2f4/9a5f22de73e648219981ec611038f485 [2024-12-06 00:24:57,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:24:57,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:24:57,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:24:57,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:24:57,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:24:57,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb604f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57, skipping insertion in model container [2024-12-06 00:24:57,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:24:57,373 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_47c9a328-d531-4c5b-ab55-406a513090aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-12-06 00:24:57,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:24:57,548 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:24:57,556 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_47c9a328-d531-4c5b-ab55-406a513090aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-12-06 00:24:57,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:24:57,661 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:24:57,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57 WrapperNode [2024-12-06 00:24:57,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:24:57,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:24:57,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:24:57,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:24:57,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,850 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1976 [2024-12-06 00:24:57,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:24:57,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:24:57,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:24:57,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:24:57,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,950 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:57,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:58,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:24:58,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:24:58,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:24:58,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:24:58,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:24:57" (1/1) ... [2024-12-06 00:24:58,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:24:58,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:24:58,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:24:58,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:24:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:24:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:24:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:24:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:24:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:24:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:24:58,259 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:24:58,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:25:00,447 INFO L? ?]: Removed 1091 outVars from TransFormulas that were not future-live. [2024-12-06 00:25:00,447 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:25:02,642 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:25:02,643 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:25:02,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:25:02 BoogieIcfgContainer [2024-12-06 00:25:02,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:25:02,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:25:02,644 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:25:02,654 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:25:02,654 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:25:02" (1/1) ... [2024-12-06 00:25:02,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:25:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 00:25:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 00:25:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:25:02,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:02,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:25:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:25:06,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:25:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 00:25:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 00:25:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:25:07,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:25:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:25:11,006 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:25:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:25:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:25:23,266 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 00:25:23,270 INFO L158 Benchmark]: Toolchain (without parser) took 26075.20ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 115.2MB in the beginning and 279.2MB in the end (delta: -164.0MB). Peak memory consumption was 420.0MB. Max. memory is 16.1GB. [2024-12-06 00:25:23,270 INFO L158 Benchmark]: CDTParser took 0.29ms. 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 00:25:23,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.77ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 78.6MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 00:25:23,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 188.23ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 87.5MB in the end (delta: -9.0MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2024-12-06 00:25:23,271 INFO L158 Benchmark]: Boogie Preprocessor took 154.30ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 72.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:25:23,271 INFO L158 Benchmark]: RCFGBuilder took 4637.56ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 72.9MB in the beginning and 229.9MB in the end (delta: -157.0MB). Peak memory consumption was 201.5MB. Max. memory is 16.1GB. [2024-12-06 00:25:23,272 INFO L158 Benchmark]: CodeCheck took 20624.93ms. Allocated memory was 419.4MB in the beginning and 729.8MB in the end (delta: 310.4MB). Free memory was 229.9MB in the beginning and 279.2MB in the end (delta: -49.3MB). Peak memory consumption was 258.9MB. Max. memory is 16.1GB. [2024-12-06 00:25:23,274 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 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 465.77ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 78.6MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 188.23ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 87.5MB in the end (delta: -9.0MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.30ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 72.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4637.56ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 72.9MB in the beginning and 229.9MB in the end (delta: -157.0MB). Peak memory consumption was 201.5MB. Max. memory is 16.1GB. * CodeCheck took 20624.93ms. Allocated memory was 419.4MB in the beginning and 729.8MB in the end (delta: 310.4MB). Free memory was 229.9MB in the beginning and 279.2MB in the end (delta: -49.3MB). Peak memory consumption was 258.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:25:23,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/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_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/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_47c9a328-d531-4c5b-ab55-406a513090aa/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 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:25:25,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:25:25,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:25:25,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:25:25,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:25:25,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:25:25,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:25:25,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:25:25,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:25:25,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:25:25,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:25:25,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:25:25,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:25:25,309 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:25:25,309 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:25,309 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:25:25,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:25:25,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:25:25,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:25:25,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:25:25,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:25:25,310 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:25:25,310 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:25,310 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:25:25,310 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_47c9a328-d531-4c5b-ab55-406a513090aa/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 -> 52aaa0332eefa406b14bf0040bc722ffbb83771cf03ec10c7d17ac8a4e45d63a [2024-12-06 00:25:25,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:25:25,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:25:25,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:25:25,543 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:25:25,543 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:25:25,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c [2024-12-06 00:25:28,258 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/89b5b7bd9/7b0ca90cdacd4961a6861af14f6cbcfe/FLAG2313d78e3 [2024-12-06 00:25:28,502 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:25:28,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c [2024-12-06 00:25:28,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/89b5b7bd9/7b0ca90cdacd4961a6861af14f6cbcfe/FLAG2313d78e3 [2024-12-06 00:25:28,526 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/data/89b5b7bd9/7b0ca90cdacd4961a6861af14f6cbcfe [2024-12-06 00:25:28,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:25:28,530 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:25:28,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:25:28,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:25:28,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:25:28,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:28,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19463e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28, skipping insertion in model container [2024-12-06 00:25:28,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:28,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:25:28,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-12-06 00:25:28,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:25:28,870 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:25:28,878 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_47c9a328-d531-4c5b-ab55-406a513090aa/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w128_d16_e0.c[1335,1348] [2024-12-06 00:25:28,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:25:28,964 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:25:28,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28 WrapperNode [2024-12-06 00:25:28,965 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:25:28,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:25:28,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:25:28,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:25:28,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:28,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,031 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 912 [2024-12-06 00:25:29,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:25:29,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:25:29,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:25:29,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:25:29,037 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,063 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:25:29,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:25:29,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:25:29,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:25:29,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:25:28" (1/1) ... [2024-12-06 00:25:29,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:25:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:25:29,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:25:29,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:25:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:25:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:25:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:25:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:25:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:25:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:25:29,323 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:25:29,325 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:25:30,064 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-12-06 00:25:30,064 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:25:30,120 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:25:30,120 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:25:30,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:25:30 BoogieIcfgContainer [2024-12-06 00:25:30,121 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:25:30,121 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:25:30,122 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:25:30,132 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:25:30,132 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:25:30" (1/1) ... [2024-12-06 00:25:30,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:25:30,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:30,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-06 00:25:30,184 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-06 00:25:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:25:30,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:30,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:30,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:30,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:30,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:25:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:30,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:31,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:25:31,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:31,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:25:31,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:25:31,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:31,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 00:25:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 00:25:31,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 00:25:31,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:31,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:31,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:31,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:31,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:25:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:32,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:33,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 00:25:33,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 00:25:33,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:25:35,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:35,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2024-12-06 00:25:35,508 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-12-06 00:25:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 00:25:35,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:35,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:35,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:35,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:25:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:37,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:37,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-06 00:25:37,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:42,049 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-12-06 00:25:42,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 00:25:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2024-12-06 00:25:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2024-12-06 00:25:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 00:25:51,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:51,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:51,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:51,060 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:51,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:25:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:53,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:55,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 1232 conjuncts, 210 conjuncts are in the unsatisfiable core [2024-12-06 00:25:55,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:57,944 WARN L286 SmtUtils]: Spent 2.62m on a formula simplification. DAG size of input: 316 DAG size of output: 290 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:30:18,743 WARN L286 SmtUtils]: Spent 1.17m on a formula simplification that was a NOOP. DAG size: 300 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:31:11,258 WARN L286 SmtUtils]: Spent 50.42s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:18,023 WARN L286 SmtUtils]: Spent 3.70m on a formula simplification. DAG size of input: 334 DAG size of output: 325 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:38:47,069 WARN L286 SmtUtils]: Spent 2.94m on a formula simplification. DAG size of input: 315 DAG size of output: 312 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:38:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 68 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-12-06 00:38:52,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47c9a328-d531-4c5b-ab55-406a513090aa/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-06 00:39:34,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 00:39:39,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]