./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ccfcc1f0ba858910138e0e2325ee9d26191918d759a219370766084064f047be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:01:01,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:01:01,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:01:01,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:01:01,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:01:01,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:01:01,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:01:01,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:01:01,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:01:01,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:01:01,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:01:01,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:01:01,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:01:01,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:01:01,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:01:01,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:01,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:01:01,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:01:01,738 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_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccfcc1f0ba858910138e0e2325ee9d26191918d759a219370766084064f047be [2024-11-13 21:01:02,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:01:02,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:01:02,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:01:02,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:01:02,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:01:02,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.2.prop1-func-interl.c Unable to find full path for "g++" [2024-11-13 21:01:04,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:01:05,086 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:01:05,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.2.prop1-func-interl.c [2024-11-13 21:01:05,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/data/d1be7a2a4/16afcaffe1364bd5b9882017a5f34ab9/FLAG1f84b4d76 [2024-11-13 21:01:05,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/data/d1be7a2a4/16afcaffe1364bd5b9882017a5f34ab9 [2024-11-13 21:01:05,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:01:05,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:01:05,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:05,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:01:05,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:01:05,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:05" (1/1) ... [2024-11-13 21:01:05,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354c32a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:05, skipping insertion in model container [2024-11-13 21:01:05,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:01:05" (1/1) ... [2024-11-13 21:01:05,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:01:05,661 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_79827908-e873-4596-b3af-ee499f063a3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.2.prop1-func-interl.c[1172,1185] [2024-11-13 21:01:06,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:06,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:01:06,383 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_79827908-e873-4596-b3af-ee499f063a3d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.2.prop1-func-interl.c[1172,1185] [2024-11-13 21:01:06,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:01:06,805 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:01:06,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06 WrapperNode [2024-11-13 21:01:06,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:01:06,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:06,809 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:01:06,809 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:01:06,816 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:06,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:08,159 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8379 [2024-11-13 21:01:08,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:01:08,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:01:08,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:01:08,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:01:08,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:08,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:08,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:08,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:09,084 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:09,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:09,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:09,357 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:09,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:01:09,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:01:09,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:01:09,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:01:09,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:01:06" (1/1) ... [2024-11-13 21:01:09,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:01:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:01:09,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:01:09,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79827908-e873-4596-b3af-ee499f063a3d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:01:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:01:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:01:09,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:01:10,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:01:10,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:01:23,122 INFO L? ?]: Removed 5426 outVars from TransFormulas that were not future-live. [2024-11-13 21:01:23,123 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:01:41,704 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:01:41,704 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:01:41,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:41 BoogieIcfgContainer [2024-11-13 21:01:41,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:01:41,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:01:41,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:01:41,718 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:01:41,718 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:01:41" (1/1) ... [2024-11-13 21:01:41,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:01:41,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:01:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:01:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:01:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:01:41,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:01:41,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:01:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:01:54,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:02:04,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 21:02:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:02:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:02:04,742 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:02:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:02:04,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:02:04,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms