./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/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_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9 --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 0.2.4-dev-0e0057c [2023-12-03 04:13:59,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:13:59,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:13:59,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:13:59,610 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:13:59,633 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:13:59,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:13:59,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:13:59,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:13:59,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:13:59,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:13:59,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:13:59,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:13:59,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:13:59,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:13:59,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:13:59,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:13:59,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:13:59,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:13:59,641 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:13:59,642 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:13:59,642 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:13:59,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:13:59,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:13:59,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:13:59,644 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:13:59,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:13:59,645 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:13:59,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:13:59,646 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:13:59,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef3ee19a12440086c7d734bc7ef1047e4b6387a82b281c1ef2117a7eba51e67 [2023-12-03 04:13:59,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:13:59,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:13:59,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:13:59,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:13:59,907 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:13:59,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c [2023-12-03 04:14:02,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:14:03,063 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:14:03,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c [2023-12-03 04:14:03,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/data/93b37e45b/64b2f7ec9246415d8d22c4230c2c9b50/FLAG5bdc6cb99 [2023-12-03 04:14:03,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/data/93b37e45b/64b2f7ec9246415d8d22c4230c2c9b50 [2023-12-03 04:14:03,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:14:03,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:14:03,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:03,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:14:03,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:14:03,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:03" (1/1) ... [2023-12-03 04:14:03,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@236a5dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:03, skipping insertion in model container [2023-12-03 04:14:03,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:14:03" (1/1) ... [2023-12-03 04:14:03,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:14:03,423 WARN L240 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_45efd605-92b9-4be1-8f72-35b31d570b69/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c[1172,1185] [2023-12-03 04:14:03,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:03,966 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:14:03,979 WARN L240 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_45efd605-92b9-4be1-8f72-35b31d570b69/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.frogs.1.prop1-func-interl.c[1172,1185] [2023-12-03 04:14:04,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:14:04,332 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:14:04,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04 WrapperNode [2023-12-03 04:14:04,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:14:04,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:04,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:14:04,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:14:04,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:04,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:05,564 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10544 [2023-12-03 04:14:05,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:14:05,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:14:05,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:14:05,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:14:05,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:05,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:05,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:05,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:06,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:06,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:06,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:06,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:06,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:14:06,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:14:06,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:14:06,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:14:06,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:14:04" (1/1) ... [2023-12-03 04:14:06,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:14:06,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:14:06,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:14:06,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45efd605-92b9-4be1-8f72-35b31d570b69/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:14:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:14:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:14:06,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:14:06,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:14:07,432 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:14:07,434 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:14:14,369 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:14:31,613 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:14:31,613 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:14:31,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:31 BoogieIcfgContainer [2023-12-03 04:14:31,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:14:31,617 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:14:31,617 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:14:31,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:14:31,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:14:31" (1/1) ... [2023-12-03 04:14:31,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:14:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:14:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:14:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:14:31,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:31,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:14:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:14:44,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:54,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:14:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:14:54,561 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:14:54,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:14:54,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:54,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms