./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array20_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB --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 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:03:07,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:07,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:07,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:07,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:07,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:07,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:07,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:07,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:07,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:07,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:07,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:07,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:07,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:07,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:07,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:07,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:07,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:07,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:07,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:07,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:07,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:07,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:07,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:07,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:07,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:07,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:07,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:07,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:07,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:07,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:07,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:07,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:07,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:07,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:07,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:07,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:07,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:07,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:07,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:07,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:07,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:07,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:07,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:07,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:07,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:07,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:07,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:07,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:07,732 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:07,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:07,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:07,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:07,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:07,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:07,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:07,734 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:07,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:07,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:07,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:07,735 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:07,735 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:07,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:07,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:07,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:07,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:07,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:07,737 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:07,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:07,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:07,738 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_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2022-10-17 17:03:08,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:08,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:08,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:08,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:08,046 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:08,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-patterns/array20_pattern.c [2022-10-17 17:03:08,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/data/21eabeef8/6f29e2033f7d47bea4485f55a69155cb/FLAG1f1386b15 [2022-10-17 17:03:08,679 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:08,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/sv-benchmarks/c/array-patterns/array20_pattern.c [2022-10-17 17:03:08,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/data/21eabeef8/6f29e2033f7d47bea4485f55a69155cb/FLAG1f1386b15 [2022-10-17 17:03:09,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/data/21eabeef8/6f29e2033f7d47bea4485f55a69155cb [2022-10-17 17:03:09,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:09,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:09,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:09,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:09,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:09,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2773fb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09, skipping insertion in model container [2022-10-17 17:03:09,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:09,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:09,265 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_e8a32603-8944-44c5-b384-4700e2cbe5d9/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2022-10-17 17:03:09,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:09,342 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:09,356 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_e8a32603-8944-44c5-b384-4700e2cbe5d9/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2022-10-17 17:03:09,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:09,386 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:09,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09 WrapperNode [2022-10-17 17:03:09,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:09,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:09,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:09,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:09,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,436 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-10-17 17:03:09,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:09,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:09,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:09,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:09,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,481 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:09,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:09,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:09,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:09,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:09" (1/1) ... [2022-10-17 17:03:09,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:09,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:09,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:09,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a32603-8944-44c5-b384-4700e2cbe5d9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:03:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:03:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:09,707 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:09,709 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:10,084 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:10,213 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:10,217 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 17:03:10,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:10 BoogieIcfgContainer [2022-10-17 17:03:10,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:10,223 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:10,223 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:10,235 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:10,236 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:10" (1/1) ... [2022-10-17 17:03:10,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-10-17 17:03:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-10-17 17:03:10,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:03:10,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:03:10,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:03:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-10-17 17:03:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-10-17 17:03:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:10,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:03:10,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:03:10,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-10-17 17:03:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-10-17 17:03:10,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:10,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:10,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-10-17 17:03:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-10-17 17:03:11,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:11,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:11,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:11,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:11,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-10-17 17:03:11,834 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-10-17 17:03:11,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:11,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:11,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:11,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:11,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:12,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:12,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2022-10-17 17:03:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2022-10-17 17:03:12,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:03:12,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:12,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:12,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:03:12,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2022-10-17 17:03:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-10-17 17:03:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:03:12,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:12,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:12,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:03:12,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:13,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-10-17 17:03:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-10-17 17:03:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:13,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:13,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:13,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:03:13,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:13,659 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2022-10-17 17:03:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2022-10-17 17:03:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:03:14,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:14,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:14,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:03:14,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:03:16,210 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2088 treesize of output 2023