./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-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_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3 --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 1ef3ee19a12440086c7d734bc7ef1047e4b6387a82b281c1ef2117a7eba51e67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:23:22,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:23:22,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 05:23:22,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:23:22,290 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:23:22,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:23:22,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:23:22,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:23:22,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:23:22,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:23:22,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:23:22,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:23:22,329 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:23:22,329 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:23:22,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:23:22,329 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:23:22,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:23:22,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:22,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:23:22,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:23:22,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:23:22,330 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:23:22,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:23:22,330 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_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3 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 -> 1ef3ee19a12440086c7d734bc7ef1047e4b6387a82b281c1ef2117a7eba51e67 [2024-11-25 05:23:22,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:23:22,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:23:22,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:23:22,698 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:23:22,699 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:23:22,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c [2024-11-25 05:23:25,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/data/fd3d760c1/77422f0cf4c34e1c8f941a5c274e16d5/FLAGf70a905ba [2024-11-25 05:23:26,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:23:26,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c [2024-11-25 05:23:26,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/data/fd3d760c1/77422f0cf4c34e1c8f941a5c274e16d5/FLAGf70a905ba [2024-11-25 05:23:26,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/data/fd3d760c1/77422f0cf4c34e1c8f941a5c274e16d5 [2024-11-25 05:23:26,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:23:26,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:23:26,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:26,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:23:26,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:23:26,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:26" (1/1) ... [2024-11-25 05:23:26,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9ee1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:26, skipping insertion in model container [2024-11-25 05:23:26,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:23:26" (1/1) ... [2024-11-25 05:23:26,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:23:26,779 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_093adebf-b378-4b34-af59-6facc3c0d6a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c[1172,1185] [2024-11-25 05:23:27,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:27,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:23:27,616 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_093adebf-b378-4b34-af59-6facc3c0d6a6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c[1172,1185] [2024-11-25 05:23:27,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:23:28,013 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:23:28,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28 WrapperNode [2024-11-25 05:23:28,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:23:28,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:28,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:23:28,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:23:28,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:28,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,129 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9212 [2024-11-25 05:23:29,130 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:23:29,130 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:23:29,131 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:23:29,131 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:23:29,140 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:29,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:30,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:23:30,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:23:30,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:23:30,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:23:30,095 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:23:28" (1/1) ... [2024-11-25 05:23:30,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:23:30,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:23:30,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:23:30,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_093adebf-b378-4b34-af59-6facc3c0d6a6/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:23:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:23:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:23:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:23:30,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:23:31,070 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:23:31,072 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:23:42,646 INFO L? ?]: Removed 5985 outVars from TransFormulas that were not future-live. [2024-11-25 05:23:42,647 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:23:59,570 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:23:59,571 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:23:59,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:59 BoogieIcfgContainer [2024-11-25 05:23:59,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:23:59,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:23:59,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:23:59,583 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:23:59,583 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:23:59" (1/1) ... [2024-11-25 05:23:59,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:23:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 05:23:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 05:23:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:23:59,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:59,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:01,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:24:11,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:21,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:24:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 05:24:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 05:24:21,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:24:21,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:21,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms