./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/lcm2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:55:10,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:55:10,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:55:10,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:55:10,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:55:10,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:55:10,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:55:10,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:55:10,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:55:10,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:55:10,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:55:10,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:55:10,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:55:10,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:55:10,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:55:10,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:55:11,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:55:11,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:55:11,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:55:11,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:55:11,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:55:11,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:55:11,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:55:11,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:55:11,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:55:11,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:55:11,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:55:11,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:55:11,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:55:11,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:55:11,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:55:11,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:55:11,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:55:11,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:55:11,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:55:11,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:55:11,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:55:11,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:55:11,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:55:11,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:55:11,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:55:11,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:55:11,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:55:11,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:55:11,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:55:11,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:55:11,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:55:11,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:55:11,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:55:11,093 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:55:11,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:55:11,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:55:11,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:55:11,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:55:11,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:55:11,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:55:11,101 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:55:11,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:55:11,102 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:55:11,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:55:11,102 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:55:11,102 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:55:11,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:55:11,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:11,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:55:11,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:55:11,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:55:11,104 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:55:11,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:55:11,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:55:11,105 INFO L138 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_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 [2021-11-23 00:55:11,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:55:11,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:55:11,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:55:11,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:55:11,415 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:55:11,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench/lcm2.c [2021-11-23 00:55:11,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/5497054e3/2e4d2801d23040b0bad1a35e5a38e105/FLAG0f951b257 [2021-11-23 00:55:11,922 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:55:11,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/sv-benchmarks/c/nla-digbench/lcm2.c [2021-11-23 00:55:11,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/5497054e3/2e4d2801d23040b0bad1a35e5a38e105/FLAG0f951b257 [2021-11-23 00:55:12,331 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/5497054e3/2e4d2801d23040b0bad1a35e5a38e105 [2021-11-23 00:55:12,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:55:12,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:55:12,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:12,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:55:12,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:55:12,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c24ea49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12, skipping insertion in model container [2021-11-23 00:55:12,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:55:12,366 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:55:12,540 WARN L230 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_9d4ec07a-d916-402d-909d-71acf9c09cad/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2021-11-23 00:55:12,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:12,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:55:12,579 WARN L230 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_9d4ec07a-d916-402d-909d-71acf9c09cad/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2021-11-23 00:55:12,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:12,600 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:55:12,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12 WrapperNode [2021-11-23 00:55:12,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:12,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:12,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:55:12,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:55:12,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,627 INFO L137 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2021-11-23 00:55:12,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:12,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:55:12,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:55:12,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:55:12,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:55:12,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:55:12,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:55:12,649 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:55:12,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:12,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:55:12,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:55:12,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:55:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:55:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:55:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:55:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:55:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:55:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:55:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:55:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:55:12,771 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:55:12,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:55:12,869 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:55:12,894 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:55:12,894 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:55:12,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:12 BoogieIcfgContainer [2021-11-23 00:55:12,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:55:12,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:55:12,898 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:55:12,906 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:55:12,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:12" (1/1) ... [2021-11-23 00:55:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:55:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-23 00:55:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-23 00:55:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:55:12,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:12,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:55:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2021-11-23 00:55:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2021-11-23 00:55:13,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:55:13,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:13,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:55:13,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:55:13,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 00:55:24,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:55:24,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-11-23 00:55:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-11-23 00:55:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:55:24,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:24,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:55:34,976 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:487) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2021-11-23 00:55:34,979 INFO L158 Benchmark]: Toolchain (without parser) took 22644.49ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 73.1MB in the beginning and 81.9MB in the end (delta: -8.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-23 00:55:34,980 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:55:34,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.50ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 79.3MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:55:34,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.06ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 77.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:55:34,982 INFO L158 Benchmark]: Boogie Preprocessor took 19.60ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 76.8MB in the end (delta: 979.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:55:34,983 INFO L158 Benchmark]: RCFGBuilder took 248.12ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 66.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:55:34,984 INFO L158 Benchmark]: CodeCheck took 22080.36ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 66.4MB in the beginning and 81.9MB in the end (delta: -15.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-11-23 00:55:34,987 INFO L339 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:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.50ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 79.3MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.06ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 77.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.60ms. Allocated memory is still 104.9MB. Free memory was 77.8MB in the beginning and 76.8MB in the end (delta: 979.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.12ms. Allocated memory is still 104.9MB. Free memory was 76.8MB in the beginning and 66.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 22080.36ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 66.4MB in the beginning and 81.9MB in the end (delta: -15.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:55:35,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/lcm2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --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 32bit --witnessprinter.graph.data.programhash e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:55:37,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:55:37,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:55:37,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:55:37,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:55:37,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:55:37,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:55:37,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:55:37,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:55:37,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:55:37,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:55:37,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:55:37,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:55:37,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:55:37,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:55:37,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:55:37,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:55:37,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:55:37,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:55:37,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:55:37,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:55:37,325 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:55:37,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:55:37,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:55:37,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:55:37,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:55:37,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:55:37,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:55:37,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:55:37,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:55:37,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:55:37,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:55:37,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:55:37,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:55:37,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:55:37,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:55:37,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:55:37,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:55:37,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:55:37,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:55:37,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:55:37,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:55:37,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:55:37,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:55:37,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:55:37,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:55:37,398 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:55:37,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:55:37,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:55:37,399 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:55:37,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:55:37,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:55:37,400 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:55:37,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:55:37,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:55:37,401 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:55:37,401 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:55:37,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:55:37,401 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:55:37,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:55:37,402 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:55:37,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:55:37,402 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:55:37,402 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:55:37,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:55:37,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:37,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:55:37,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:55:37,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:55:37,404 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:55:37,404 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:55:37,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:55:37,404 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:55:37,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:55:37,405 INFO L138 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_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0d433468442fea01fd6f51a5fcaea8db7e3b564878994442665eb482321c037 [2021-11-23 00:55:37,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:55:37,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:55:37,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:55:37,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:55:37,807 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:55:37,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench/lcm2.c [2021-11-23 00:55:37,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/d5b5ccfac/b0524e7b6c4f4e8699a2501538c2bcf0/FLAG5ea8d0470 [2021-11-23 00:55:38,341 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:55:38,342 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/sv-benchmarks/c/nla-digbench/lcm2.c [2021-11-23 00:55:38,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/d5b5ccfac/b0524e7b6c4f4e8699a2501538c2bcf0/FLAG5ea8d0470 [2021-11-23 00:55:38,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/data/d5b5ccfac/b0524e7b6c4f4e8699a2501538c2bcf0 [2021-11-23 00:55:38,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:55:38,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:55:38,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:38,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:55:38,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:55:38,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:38" (1/1) ... [2021-11-23 00:55:38,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e6b238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:38, skipping insertion in model container [2021-11-23 00:55:38,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:38" (1/1) ... [2021-11-23 00:55:38,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:55:38,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:55:38,946 WARN L230 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_9d4ec07a-d916-402d-909d-71acf9c09cad/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2021-11-23 00:55:38,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:38,970 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:55:39,013 WARN L230 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_9d4ec07a-d916-402d-909d-71acf9c09cad/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2021-11-23 00:55:39,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:39,036 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:55:39,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39 WrapperNode [2021-11-23 00:55:39,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:39,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:39,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:55:39,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:55:39,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,076 INFO L137 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2021-11-23 00:55:39,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:39,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:55:39,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:55:39,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:55:39,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:55:39,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:55:39,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:55:39,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:55:39,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:39,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:55:39,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:55:39,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:55:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:55:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:55:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:55:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:55:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:55:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:55:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:55:39,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:55:39,230 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:55:39,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:55:39,353 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:55:39,377 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:55:39,381 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:55:39,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:39 BoogieIcfgContainer [2021-11-23 00:55:39,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:55:39,384 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:55:39,385 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:55:39,393 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:55:39,394 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:39" (1/1) ... [2021-11-23 00:55:39,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:55:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-23 00:55:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-23 00:55:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:55:39,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:39,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:39,504 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2021-11-23 00:55:39,508 INFO L158 Benchmark]: Toolchain (without parser) took 748.55ms. Allocated memory is still 75.5MB. Free memory was 56.3MB in the beginning and 37.9MB in the end (delta: 18.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-23 00:55:39,509 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:55:39,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.01ms. Allocated memory is still 75.5MB. Free memory was 56.1MB in the beginning and 57.3MB in the end (delta: -1.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:55:39,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.32ms. Allocated memory is still 75.5MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:55:39,511 INFO L158 Benchmark]: Boogie Preprocessor took 20.77ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 54.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:55:39,512 INFO L158 Benchmark]: RCFGBuilder took 284.40ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 44.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:55:39,513 INFO L158 Benchmark]: CodeCheck took 122.04ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 37.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 00:55:39,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.01ms. Allocated memory is still 75.5MB. Free memory was 56.1MB in the beginning and 57.3MB in the end (delta: -1.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.32ms. Allocated memory is still 75.5MB. Free memory was 57.3MB in the beginning and 55.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.77ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 54.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.40ms. Allocated memory is still 75.5MB. Free memory was 54.6MB in the beginning and 44.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 122.04ms. Allocated memory is still 75.5MB. Free memory was 44.2MB in the beginning and 37.9MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:55:39,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d4ec07a-d916-402d-909d-71acf9c09cad/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared