./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i --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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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 aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:36:14,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:36:14,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:36:14,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:36:14,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:36:14,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:36:14,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:36:14,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:36:14,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:36:14,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:36:14,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:36:14,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:36:14,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:36:14,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:36:14,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:36:14,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:36:14,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:36:14,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:36:14,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:36:14,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:36:14,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:36:14,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:36:14,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:36:14,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:36:14,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:36:14,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:36:14,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:36:14,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:36:14,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:36:14,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:36:14,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:36:14,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:36:14,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:36:14,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:36:14,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:36:14,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:36:14,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:36:14,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:36:14,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:36:14,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:36:14,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:36:14,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:36:14,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:36:14,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:36:14,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:36:14,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:36:14,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:36:14,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:36:14,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:36:14,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:36:14,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:36:14,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:36:14,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:36:14,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:36:14,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:36:14,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:36:14,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:36:14,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:36:14,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:36:14,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:36:14,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:36:14,696 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:36:14,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:36:14,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:14,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:36:14,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:36:14,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:36:14,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:36:14,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:36:14,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:36:14,698 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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 [2021-11-23 00:36:14,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:36:15,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:36:15,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:36:15,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:36:15,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:36:15,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2021-11-23 00:36:15,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/da176a3eb/775a2b5ec8d7459fad8f07bbdc0d6b59/FLAG83b0b19e8 [2021-11-23 00:36:15,665 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:36:15,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2021-11-23 00:36:15,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/da176a3eb/775a2b5ec8d7459fad8f07bbdc0d6b59/FLAG83b0b19e8 [2021-11-23 00:36:16,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/da176a3eb/775a2b5ec8d7459fad8f07bbdc0d6b59 [2021-11-23 00:36:16,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:36:16,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:36:16,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:16,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:36:16,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:36:16,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2002d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16, skipping insertion in model container [2021-11-23 00:36:16,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,050 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:36:16,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:36:16,251 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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2021-11-23 00:36:16,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:16,277 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:36:16,290 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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2021-11-23 00:36:16,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:16,310 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:36:16,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16 WrapperNode [2021-11-23 00:36:16,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:16,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:16,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:36:16,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:36:16,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,346 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-11-23 00:36:16,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:16,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:36:16,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:36:16,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:36:16,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:36:16,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:36:16,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:36:16,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:36:16,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:16,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:36:16,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:36:16,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:36:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:36:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:36:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:36:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:36:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:36:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:36:16,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:36:16,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:36:16,523 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:36:16,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:36:16,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:36:16,779 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:36:16,781 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:36:16,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:16 BoogieIcfgContainer [2021-11-23 00:36:16,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:36:16,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:36:16,786 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:36:16,797 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:36:16,798 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:36:16" (1/1) ... [2021-11-23 00:36:16,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:36:16,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-23 00:36:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-23 00:36:16,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:36:16,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2021-11-23 00:36:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2021-11-23 00:36:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:36:17,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 30 transitions. [2021-11-23 00:36:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2021-11-23 00:36:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:17,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:17,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:17,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:18,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 49 transitions. [2021-11-23 00:36:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2021-11-23 00:36:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:36:18,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:18,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:18,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:36:18,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 56 transitions. [2021-11-23 00:36:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2021-11-23 00:36:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:36:19,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:36:19,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 61 transitions. [2021-11-23 00:36:20,013 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2021-11-23 00:36:20,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:20,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:36:20,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 46 states and 87 transitions. [2021-11-23 00:36:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2021-11-23 00:36:22,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:22,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:22,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:24,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 95 transitions. [2021-11-23 00:36:24,097 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2021-11-23 00:36:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:24,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:24,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:24,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:36:24,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:36:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 96 transitions. [2021-11-23 00:36:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2021-11-23 00:36:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:25,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 95 transitions. [2021-11-23 00:36:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2021-11-23 00:36:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:36:25,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 103 transitions. [2021-11-23 00:36:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2021-11-23 00:36:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:36:27,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:36:27,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:36:38,565 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 00:36:48,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:36:59,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:09,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:19,526 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:29,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:40,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:37:50,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:38:00,497 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:38:01,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 58 states and 114 transitions. [2021-11-23 00:38:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2021-11-23 00:38:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:38:01,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:01,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:01,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:38:01,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:38:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 60 states and 123 transitions. [2021-11-23 00:38:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2021-11-23 00:38:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:02,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:02,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:02,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:38:02,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:02,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:38:15,262 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 00:38:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 137 transitions. [2021-11-23 00:38:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 137 transitions. [2021-11-23 00:38:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:38:15,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:15,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:15,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:38:15,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:38:49,625 WARN L227 SmtUtils]: Spent 21.02s on a formula simplification that was a NOOP. DAG size: 24 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:39:13,775 WARN L227 SmtUtils]: Spent 20.64s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:39:36,200 WARN L227 SmtUtils]: Spent 20.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:39:57,406 WARN L227 SmtUtils]: Spent 20.85s on a formula simplification that was a NOOP. DAG size: 27 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:40:12,970 WARN L227 SmtUtils]: Spent 12.52s on a formula simplification that was a NOOP. DAG size: 17 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:40:25,332 WARN L227 SmtUtils]: Spent 11.51s on a formula simplification that was a NOOP. DAG size: 18 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:40:37,804 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (let ((.cse4 (div (* .cse2 2) 2147483648)) (.cse3 (div .cse2 2))) (let ((.cse0 (div (+ .cse4 (* (div (+ (- 1) .cse2 .cse3) (- 2147483648)) (- 1))) (- 2))) (.cse1 (* (div (+ .cse2 .cse3) (- 2147483648)) (- 1)))) (and (< .cse0 (+ (div (+ .cse1 1) 2) 1)) (= |c_ULTIMATE.start_main_~q~0#1| 0) (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (< .cse0 (+ (div (+ (div (+ .cse2 4294967295) 2147483648) .cse1) 2) 1)) (< (div (+ (- 1) .cse2) (- 4294967296)) (+ (div (+ (* (div .cse3 (- 2147483648)) (- 1)) 1) 2) 1)) (< (div (+ (* (div (+ (- 1) .cse3) (- 2147483648)) (- 1)) .cse4) (- 2)) 1))))) is different from false [2021-11-23 00:40:58,614 WARN L227 SmtUtils]: Spent 20.79s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:41:19,472 WARN L227 SmtUtils]: Spent 20.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:41:40,332 WARN L227 SmtUtils]: Spent 20.86s on a formula simplification that was a NOOP. DAG size: 27 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:42:01,244 WARN L227 SmtUtils]: Spent 20.91s on a formula simplification that was a NOOP. DAG size: 17 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:42:11,704 WARN L227 SmtUtils]: Spent 10.45s on a formula simplification that was a NOOP. DAG size: 18 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:42:22,167 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (let ((.cse2 (div .cse1 2)) (.cse0 (div (* .cse1 2) 2147483648))) (and (= |c_ULTIMATE.start_main_~q~0#1| 0) (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (< (div (+ .cse0 (* (div (+ (- 1) .cse1 .cse2) (- 2147483648)) (- 1))) (- 2)) (+ (div (+ (div (+ .cse1 4294967295) 2147483648) (* (div (+ .cse1 .cse2) (- 2147483648)) (- 1))) 2) 1)) (< (div (+ (- 1) .cse1) (- 4294967296)) (+ (div (+ (* (div .cse2 (- 2147483648)) (- 1)) 1) 2) 1)) (< (div (+ (* (div (+ (- 1) .cse2) (- 2147483648)) (- 1)) .cse0) (- 2)) 1)))) is different from false [2021-11-23 00:42:43,061 WARN L227 SmtUtils]: Spent 20.88s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:42:53,599 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~q~0#1| 0) (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (< (div (let ((.cse0 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (+ (* (div (+ (- 1) (div .cse0 2)) (- 2147483648)) (- 1)) (div (* .cse0 2) 2147483648))) (- 2)) 1)) is different from false [2021-11-23 00:43:14,542 WARN L227 SmtUtils]: Spent 20.91s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:35,387 WARN L227 SmtUtils]: Spent 20.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:45,878 WARN L227 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:56,345 WARN L227 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 18 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-23 00:43:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 6 not checked. [2021-11-23 00:44:13,271 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse2 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (let ((.cse4 (div (* .cse2 2) 2147483648)) (.cse3 (div .cse2 2))) (let ((.cse0 (div (+ .cse4 (* (div (+ (- 1) .cse2 .cse3) (- 2147483648)) (- 1))) (- 2))) (.cse1 (* (div (+ .cse2 .cse3) (- 2147483648)) (- 1)))) (and (< .cse0 (+ (div (+ .cse1 1) 2) 1)) (= |c_ULTIMATE.start_main_~q~0#1| 0) (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (< .cse0 (+ (div (+ (div (+ .cse2 4294967295) 2147483648) .cse1) 2) 1)) (< (div (+ (- 1) .cse2) (- 4294967296)) (+ (div (+ (* (div .cse3 (- 2147483648)) (- 1)) 1) 2) 1)) (< (div (+ (* (div (+ (- 1) .cse3) (- 2147483648)) (- 1)) .cse4) (- 2)) 1)))))) is different from true [2021-11-23 00:44:23,729 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse5 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (let ((.cse0 (= |c_ULTIMATE.start_main_~q~0#1| 0)) (.cse1 (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|)) (.cse2 (div (+ (- 1) .cse5) (- 4294967296)))) (and (not (and .cse0 .cse1 (< .cse2 1))) (<= c_~counter~0 1) (not (let ((.cse7 (div (* .cse5 2) 2147483648)) (.cse6 (div .cse5 2))) (let ((.cse3 (div (+ .cse7 (* (div (+ (- 1) .cse5 .cse6) (- 2147483648)) (- 1))) (- 2))) (.cse4 (* (div (+ .cse5 .cse6) (- 2147483648)) (- 1)))) (and (< .cse3 (+ (div (+ .cse4 1) 2) 1)) .cse0 .cse1 (< .cse3 (+ (div (+ (div (+ .cse5 4294967295) 2147483648) .cse4) 2) 1)) (< .cse2 (+ (div (+ (* (div .cse6 (- 2147483648)) (- 1)) 1) 2) 1)) (< (div (+ (* (div (+ (- 1) .cse6) (- 2147483648)) (- 1)) .cse7) (- 2)) 1))))) (not (= c_~counter~0 0))))) is different from true [2021-11-23 00:44:34,134 WARN L838 $PredicateComparison]: unable to prove that (not (let ((.cse5 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (let ((.cse0 (= |c_ULTIMATE.start_main_~q~0#1| 0)) (.cse1 (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|)) (.cse2 (div (+ (- 1) .cse5) (- 4294967296)))) (and (not (and .cse0 .cse1 (< .cse2 1))) (<= c_~counter~0 1) (not (let ((.cse7 (div (* .cse5 2) 2147483648)) (.cse6 (div .cse5 2))) (let ((.cse3 (div (+ .cse7 (* (div (+ (- 1) .cse5 .cse6) (- 2147483648)) (- 1))) (- 2))) (.cse4 (* (div (+ .cse5 .cse6) (- 2147483648)) (- 1)))) (and (< .cse3 (+ (div (+ .cse4 1) 2) 1)) .cse0 .cse1 (< .cse3 (+ (div (+ (div (+ .cse5 4294967295) 2147483648) .cse4) 2) 1)) (< .cse2 (+ (div (+ (* (div .cse6 (- 2147483648)) (- 1)) 1) 2) 1)) (< (div (+ (* (div (+ (- 1) .cse6) (- 2147483648)) (- 1)) .cse7) (- 2)) 1))))) (not (= c_~counter~0 0)))))) is different from false [2021-11-23 00:44:44,556 WARN L860 $PredicateComparison]: unable to prove that (not (let ((.cse1 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (let ((.cse2 (div .cse1 2)) (.cse0 (div (* .cse1 2) 2147483648))) (and (= |c_ULTIMATE.start_main_~q~0#1| 0) (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (< (div (+ .cse0 (* (div (+ (- 1) .cse1 .cse2) (- 2147483648)) (- 1))) (- 2)) (+ (div (+ (div (+ .cse1 4294967295) 2147483648) (* (div (+ .cse1 .cse2) (- 2147483648)) (- 1))) 2) 1)) (< (div (+ (- 1) .cse1) (- 4294967296)) (+ (div (+ (* (div .cse2 (- 2147483648)) (- 1)) 1) 2) 1)) (< (div (+ (* (div (+ (- 1) .cse2) (- 2147483648)) (- 1)) .cse0) (- 2)) 1))))) is different from true [2021-11-23 00:45:57,665 WARN L860 $PredicateComparison]: unable to prove that (not (and (= |c_ULTIMATE.start_main_~q~0#1| 0) (= |c_ULTIMATE.start_main_~A~0#1| |c_ULTIMATE.start_main_~r~0#1|) (< (div (let ((.cse0 (mod |c_ULTIMATE.start_main_~r~0#1| 4294967296))) (+ (* (div (+ (- 1) (div .cse0 2)) (- 2147483648)) (- 1)) (div (* .cse0 2) 2147483648))) (- 2)) 1))) is different from true [2021-11-23 00:46:39,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 70 states and 148 transitions. [2021-11-23 00:46:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 148 transitions. [2021-11-23 00:46:39,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:46:39,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:46:39,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:46:59,966 WARN L534 Checker$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 00:47:10,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:47:20,959 WARN L534 Checker$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 00:47:31,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 00:47:42,024 WARN L534 Checker$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 00:47:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 77 states and 173 transitions. [2021-11-23 00:47:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 173 transitions. [2021-11-23 00:47:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:47:42,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:42,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:42,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:47:42,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:47:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 190 transitions. [2021-11-23 00:47:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 190 transitions. [2021-11-23 00:47:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:47:47,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:47,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:47,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 00:47:47,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:47:49,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:49,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 81 states and 194 transitions. [2021-11-23 00:47:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 194 transitions. [2021-11-23 00:47:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:47:49,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:49,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:49,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:47:49,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:47:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 85 states and 209 transitions. [2021-11-23 00:47:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 209 transitions. [2021-11-23 00:47:56,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:47:56,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:56,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:56,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:47:56,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 00:48:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:48:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 87 states and 210 transitions. [2021-11-23 00:48:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 210 transitions. [2021-11-23 00:48:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:48:00,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:48:00,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:48:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:48:00,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:48:00,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:48:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 00:49:46,960 WARN L227 SmtUtils]: Spent 21.13s on a formula simplification. DAG size of input: 61 DAG size of output: 20 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:50:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 88 states and 210 transitions. [2021-11-23 00:50:00,709 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 210 transitions. [2021-11-23 00:50:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:50:00,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:00,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 00:50:11,181 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 00:50:11,184 INFO L158 Benchmark]: Toolchain (without parser) took 835154.26ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 81.8MB in the beginning and 89.9MB in the end (delta: -8.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-23 00:50:11,185 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:11,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.56ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 87.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:50:11,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.99ms. Allocated memory is still 113.2MB. Free memory was 87.6MB in the beginning and 86.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:11,186 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 113.2MB. Free memory was 85.8MB in the beginning and 85.1MB in the end (delta: 715.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:11,187 INFO L158 Benchmark]: RCFGBuilder took 414.54ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 74.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:50:11,187 INFO L158 Benchmark]: CodeCheck took 834397.72ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 74.2MB in the beginning and 89.9MB in the end (delta: -15.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-23 00:50:11,190 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 0.29ms. Allocated memory is still 113.2MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.56ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 87.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.99ms. Allocated memory is still 113.2MB. Free memory was 87.6MB in the beginning and 86.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 113.2MB. Free memory was 85.8MB in the beginning and 85.1MB in the end (delta: 715.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.54ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 74.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 834397.72ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 74.2MB in the beginning and 89.9MB in the end (delta: -15.7MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:50:11,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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 aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:50:13,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:50:13,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:50:13,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:50:13,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:50:13,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:50:13,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:50:13,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:50:13,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:50:13,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:50:13,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:50:13,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:50:13,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:50:13,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:50:13,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:50:13,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:50:13,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:50:13,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:50:13,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:50:13,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:50:13,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:50:13,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:50:13,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:50:13,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:50:13,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:50:13,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:50:13,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:50:13,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:50:13,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:50:13,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:50:13,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:50:13,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:50:13,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:50:13,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:50:13,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:50:13,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:50:13,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:50:13,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:50:13,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:50:13,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:50:13,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:50:13,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:50:13,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:50:13,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:50:13,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:50:13,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:50:13,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:50:13,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:50:13,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:50:13,810 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:50:13,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:50:13,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:50:13,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:50:13,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:50:13,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:50:13,813 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:50:13,813 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:50:13,813 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:50:13,813 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:50:13,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:50:13,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:50:13,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:50:13,814 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:50:13,814 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:50:13,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:50:13,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:13,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:50:13,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:50:13,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:50:13,816 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:50:13,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:50:13,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:50:13,816 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:50:13,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:50:13,817 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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 [2021-11-23 00:50:14,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:50:14,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:50:14,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:50:14,202 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:50:14,202 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:50:14,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2021-11-23 00:50:14,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/4a70bcf7a/32c92d2efe3b48438963f576ccdf4c1e/FLAGef785dee6 [2021-11-23 00:50:14,782 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:50:14,786 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2021-11-23 00:50:14,793 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/4a70bcf7a/32c92d2efe3b48438963f576ccdf4c1e/FLAGef785dee6 [2021-11-23 00:50:15,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/data/4a70bcf7a/32c92d2efe3b48438963f576ccdf4c1e [2021-11-23 00:50:15,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:50:15,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:50:15,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:15,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:50:15,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:50:15,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55b06ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15, skipping insertion in model container [2021-11-23 00:50:15,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:50:15,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:50:15,347 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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2021-11-23 00:50:15,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:15,400 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:50:15,425 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_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2021-11-23 00:50:15,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:50:15,460 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:50:15,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15 WrapperNode [2021-11-23 00:50:15,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:50:15,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:15,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:50:15,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:50:15,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,495 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-11-23 00:50:15,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:50:15,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:50:15,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:50:15,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:50:15,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:50:15,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:50:15,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:50:15,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:50:15,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:50:15,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:50:15,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:50:15,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:50:15,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:50:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:50:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:50:15,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:50:15,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:50:15,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:50:15,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:50:15,685 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:50:15,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:50:15,850 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:50:15,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:50:15,879 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:50:15,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:15 BoogieIcfgContainer [2021-11-23 00:50:15,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:50:15,882 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:50:15,883 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:50:15,892 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:50:15,892 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:50:15" (1/1) ... [2021-11-23 00:50:15,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:50:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2021-11-23 00:50:15,968 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2021-11-23 00:50:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:50:15,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:15,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:16,060 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 00:50:16,065 INFO L158 Benchmark]: Toolchain (without parser) took 932.41ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 51.1MB in the beginning and 79.2MB in the end (delta: -28.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,065 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:16,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.56ms. Allocated memory is still 69.2MB. Free memory was 50.8MB in the beginning and 52.0MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,067 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.11ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 50.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:50:16,068 INFO L158 Benchmark]: Boogie Preprocessor took 25.10ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 49.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,069 INFO L158 Benchmark]: RCFGBuilder took 359.70ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 39.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,070 INFO L158 Benchmark]: CodeCheck took 180.35ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 38.8MB in the beginning and 79.2MB in the end (delta: -40.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 00:50:16,073 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 0.28ms. Allocated memory is still 69.2MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.56ms. Allocated memory is still 69.2MB. Free memory was 50.8MB in the beginning and 52.0MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.11ms. Allocated memory is still 69.2MB. Free memory was 52.0MB in the beginning and 50.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.10ms. Allocated memory is still 69.2MB. Free memory was 50.6MB in the beginning and 49.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.70ms. Allocated memory is still 69.2MB. Free memory was 49.3MB in the beginning and 39.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 180.35ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 38.8MB in the beginning and 79.2MB in the end (delta: -40.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:50:16,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb9e6ca5-936f-4afc-aa23-97647b7d20d0/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