./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-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_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/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_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/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_5870660c-cf97-41de-a0ba-be30206cb735/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 cd0681b440abfcb019b4847aa7480adf2cb07ebcbfbab0f8c913a2f410c53f5c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:47:39,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:47:39,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 22:47:39,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:47:39,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:47:39,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:47:39,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:47:39,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:47:39,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:47:39,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:47:39,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:47:39,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:47:39,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:47:39,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:47:39,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:47:39,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:47:39,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:47:39,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:47:39,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:47:39,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:47:39,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:47:39,796 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:47:39,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:47:39,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:39,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:47:39,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:47:39,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:47:39,798 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:47:39,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:47:39,799 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:47:39,799 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_5870660c-cf97-41de-a0ba-be30206cb735/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd0681b440abfcb019b4847aa7480adf2cb07ebcbfbab0f8c913a2f410c53f5c [2023-12-02 22:47:40,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:47:40,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:47:40,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:47:40,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:47:40,069 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:47:40,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c [2023-12-02 22:47:42,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:47:43,153 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:47:43,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c [2023-12-02 22:47:43,182 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data/209e595a3/7426c67f17324636bc84766b82f6e99e/FLAG556de2b10 [2023-12-02 22:47:43,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data/209e595a3/7426c67f17324636bc84766b82f6e99e [2023-12-02 22:47:43,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:47:43,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:47:43,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:43,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:47:43,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:47:43,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:43" (1/1) ... [2023-12-02 22:47:43,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7e7d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:43, skipping insertion in model container [2023-12-02 22:47:43,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:43" (1/1) ... [2023-12-02 22:47:43,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:47:43,565 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_5870660c-cf97-41de-a0ba-be30206cb735/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c[1174,1187] [2023-12-02 22:47:44,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:44,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:47:44,283 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_5870660c-cf97-41de-a0ba-be30206cb735/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c[1174,1187] [2023-12-02 22:47:44,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:44,717 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:47:44,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44 WrapperNode [2023-12-02 22:47:44,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:44,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:44,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:47:44,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:47:44,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:44,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:46,286 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24229 [2023-12-02 22:47:46,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:46,287 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:47:46,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:47:46,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:47:46,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:46,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:46,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:46,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:47,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:47,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:47,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:47,354 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:47,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:47:47,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:47:47,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:47:47,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:47:47,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:44" (1/1) ... [2023-12-02 22:47:47,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:47,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:47:47,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:47:47,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:47:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:47:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:47:47,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:47:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:47:48,648 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:47:48,651 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:48:00,580 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:48:43,752 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:48:43,752 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:48:43,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:43 BoogieIcfgContainer [2023-12-02 22:48:43,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:48:43,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:48:43,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:48:43,764 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:48:43,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:48:43" (1/1) ... [2023-12-02 22:48:43,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:48:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:48:43,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:48:43,812 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:48:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:48:43,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:48:43,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:48:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:48:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:48:59,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:49:09,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:49:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 22:49:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 22:49:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:49:11,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:11,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:49:25,525 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:488) 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) [2023-12-02 22:49:25,529 INFO L158 Benchmark]: Toolchain (without parser) took 102328.55ms. Allocated memory was 176.2MB in the beginning and 8.9GB in the end (delta: 8.7GB). Free memory was 137.9MB in the beginning and 7.4GB in the end (delta: -7.2GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-02 22:49:25,530 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:49:25,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.24ms. Allocated memory was 176.2MB in the beginning and 274.7MB in the end (delta: 98.6MB). Free memory was 137.1MB in the beginning and 154.5MB in the end (delta: -17.3MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2023-12-02 22:49:25,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 1568.09ms. Allocated memory was 274.7MB in the beginning and 1.0GB in the end (delta: 736.1MB). Free memory was 154.5MB in the beginning and 604.3MB in the end (delta: -449.8MB). Peak memory consumption was 313.5MB. Max. memory is 16.1GB. [2023-12-02 22:49:25,532 INFO L158 Benchmark]: Boogie Preprocessor took 1419.72ms. Allocated memory is still 1.0GB. Free memory was 604.3MB in the beginning and 494.2MB in the end (delta: 110.1MB). Peak memory consumption was 206.6MB. Max. memory is 16.1GB. [2023-12-02 22:49:25,533 INFO L158 Benchmark]: RCFGBuilder took 56046.45ms. Allocated memory was 1.0GB in the beginning and 8.3GB in the end (delta: 7.3GB). Free memory was 494.2MB in the beginning and 6.2GB in the end (delta: -5.7GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. [2023-12-02 22:49:25,533 INFO L158 Benchmark]: CodeCheck took 41773.60ms. Allocated memory was 8.3GB in the beginning and 8.9GB in the end (delta: 631.2MB). Free memory was 6.2GB in the beginning and 7.4GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:49:25,537 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.24ms. Allocated memory was 176.2MB in the beginning and 274.7MB in the end (delta: 98.6MB). Free memory was 137.1MB in the beginning and 154.5MB in the end (delta: -17.3MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1568.09ms. Allocated memory was 274.7MB in the beginning and 1.0GB in the end (delta: 736.1MB). Free memory was 154.5MB in the beginning and 604.3MB in the end (delta: -449.8MB). Peak memory consumption was 313.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1419.72ms. Allocated memory is still 1.0GB. Free memory was 604.3MB in the beginning and 494.2MB in the end (delta: 110.1MB). Peak memory consumption was 206.6MB. Max. memory is 16.1GB. * RCFGBuilder took 56046.45ms. Allocated memory was 1.0GB in the beginning and 8.3GB in the end (delta: 7.3GB). Free memory was 494.2MB in the beginning and 6.2GB in the end (delta: -5.7GB). Peak memory consumption was 4.1GB. Max. memory is 16.1GB. * CodeCheck took 41773.60ms. Allocated memory was 8.3GB in the beginning and 8.9GB in the end (delta: 631.2MB). Free memory was 6.2GB in the beginning and 7.4GB in the end (delta: -1.1GB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:49:25,748 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:49:25,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/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_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/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 cd0681b440abfcb019b4847aa7480adf2cb07ebcbfbab0f8c913a2f410c53f5c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:49:27,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:49:27,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 22:49:27,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:49:27,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:49:27,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:49:27,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:49:27,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:49:27,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:49:27,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:49:27,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:49:27,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:49:27,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:49:27,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:49:27,886 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:49:27,886 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:49:27,887 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:49:27,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:49:27,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:49:27,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:49:27,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:49:27,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:49:27,890 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:27,891 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:49:27,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:49:27,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:27,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:49:27,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:49:27,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:49:27,893 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:49:27,894 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:27,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:49:27,895 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:49:27,895 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:49:27,895 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_5870660c-cf97-41de-a0ba-be30206cb735/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd0681b440abfcb019b4847aa7480adf2cb07ebcbfbab0f8c913a2f410c53f5c [2023-12-02 22:49:28,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:49:28,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:49:28,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:49:28,199 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:49:28,202 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:49:28,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c [2023-12-02 22:49:30,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:49:31,336 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:49:31,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c [2023-12-02 22:49:31,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data/fbc77f604/e327da24a1e84702bc310b7ccae4c321/FLAG618d095c4 [2023-12-02 22:49:31,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/data/fbc77f604/e327da24a1e84702bc310b7ccae4c321 [2023-12-02 22:49:31,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:49:31,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:49:31,391 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:31,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:49:31,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:49:31,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:31" (1/1) ... [2023-12-02 22:49:31,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c42ed27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:31, skipping insertion in model container [2023-12-02 22:49:31,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:31" (1/1) ... [2023-12-02 22:49:31,516 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:49:31,763 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_5870660c-cf97-41de-a0ba-be30206cb735/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c[1174,1187] [2023-12-02 22:49:32,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:32,285 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:49:32,297 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_5870660c-cf97-41de-a0ba-be30206cb735/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-func-interl.c[1174,1187] [2023-12-02 22:49:32,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:32,572 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:49:32,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32 WrapperNode [2023-12-02 22:49:32,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:32,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:32,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:49:32,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:49:32,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:32,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:32,851 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5573 [2023-12-02 22:49:32,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:32,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:49:32,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:49:32,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:49:32,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:32,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:32,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:32,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:33,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:33,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:33,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:33,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:33,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:49:33,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:49:33,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:49:33,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:49:33,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:32" (1/1) ... [2023-12-02 22:49:33,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:33,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:49:33,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:49:33,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:49:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:49:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:49:33,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:49:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:49:33,985 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:49:33,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:49:53,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:49:53,358 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:49:53,358 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:49:53,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:53 BoogieIcfgContainer [2023-12-02 22:49:53,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:49:53,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:49:53,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:49:53,368 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:49:53,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:53" (1/1) ... [2023-12-02 22:49:53,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:49:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 22:49:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 22:49:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:49:53,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:53,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:49:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:49:53,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:49:53,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:49:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:54,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:49:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:55,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:49:55,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:49:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:49:55,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:50:00,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:50:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:01,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 22:50:01,697 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 22:50:01,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:50:01,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:01,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:50:01,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:50:01,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:50:01,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:50:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:06,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:50:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:08,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 4604 conjuncts, 246 conjunts are in the unsatisfiable core [2023-12-02 22:50:08,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:50:46,684 WARN L293 SmtUtils]: Spent 18.42s on a formula simplification. DAG size of input: 1424 DAG size of output: 835 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:50:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:50:47,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:50:54,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:06,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 22:51:25,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:51:28,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:51:41,152 WARN L293 SmtUtils]: Spent 7.36s on a formula simplification. DAG size of input: 837 DAG size of output: 530 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:52:02,620 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification that was a NOOP. DAG size: 836 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:52:17,307 WARN L293 SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 839 DAG size of output: 533 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:52:38,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:53:06,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.03s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:53:17,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:53:27,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:53:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:53:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2023-12-02 22:53:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2023-12-02 22:53:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 22:53:29,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:53:29,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:53:29,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:53:29,159 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:53:29,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5870660c-cf97-41de-a0ba-be30206cb735/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:53:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:38,305 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:53:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:53:41,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 8914 conjuncts, 510 conjunts are in the unsatisfiable core [2023-12-02 22:53:41,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:58:08,550 WARN L293 SmtUtils]: Spent 3.42m on a formula simplification. DAG size of input: 1491 DAG size of output: 1215 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 23:00:21,535 WARN L293 SmtUtils]: Spent 1.58m on a formula simplification that was a NOOP. DAG size: 1229 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)