./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms5.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_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/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_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/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_daf8821a-8d4a-4e38-a69e-2d674211346a/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 5d49931b392f3e5db08af1630b313adf7396c4587f1a053ae0de1991b384d39a --- 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 17:00:02,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:02,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:02,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:02,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:02,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:02,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:02,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:02,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:02,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:02,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:02,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:02,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:02,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:02,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:02,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:02,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:02,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:02,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:02,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:02,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:02,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:02,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:02,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:02,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:02,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:02,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:02,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:02,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:02,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:02,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:02,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:02,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:02,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:02,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:02,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:02,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:02,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:02,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:02,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:02,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:02,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:02,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:02,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:02,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:02,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:02,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:02,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:02,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:02,872 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:02,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:02,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:02,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:02,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:02,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:02,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:02,875 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:02,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:02,875 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:02,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:02,875 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:02,876 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:02,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:02,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:02,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:02,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:02,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:02,877 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:02,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:02,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:02,878 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_daf8821a-8d4a-4e38-a69e-2d674211346a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d49931b392f3e5db08af1630b313adf7396c4587f1a053ae0de1991b384d39a [2022-10-17 17:00:03,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:03,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:03,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:03,229 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:03,230 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:03,231 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ms5.c [2022-10-17 17:00:03,306 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/data/c0fd402b6/69006e8a9e9a4d0e8da7894b2b356204/FLAG43e6d557c [2022-10-17 17:00:03,866 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:03,867 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/sv-benchmarks/c/array-fpi/ms5.c [2022-10-17 17:00:03,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/data/c0fd402b6/69006e8a9e9a4d0e8da7894b2b356204/FLAG43e6d557c [2022-10-17 17:00:04,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/data/c0fd402b6/69006e8a9e9a4d0e8da7894b2b356204 [2022-10-17 17:00:04,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:04,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:04,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:04,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:04,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:04,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223a48e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04, skipping insertion in model container [2022-10-17 17:00:04,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:04,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:04,523 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_daf8821a-8d4a-4e38-a69e-2d674211346a/sv-benchmarks/c/array-fpi/ms5.c[586,599] [2022-10-17 17:00:04,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:04,553 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:04,567 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_daf8821a-8d4a-4e38-a69e-2d674211346a/sv-benchmarks/c/array-fpi/ms5.c[586,599] [2022-10-17 17:00:04,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:04,590 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:04,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04 WrapperNode [2022-10-17 17:00:04,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:04,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:04,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:04,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:04,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,630 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-10-17 17:00:04,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:04,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:04,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:04,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:04,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:04,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:04,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:04,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:04,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:04" (1/1) ... [2022-10-17 17:00:04,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:04,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:04,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_daf8821a-8d4a-4e38-a69e-2d674211346a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:04,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:00:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:04,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:04,834 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:04,836 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:05,061 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:05,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:05,118 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:00:05,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:05 BoogieIcfgContainer [2022-10-17 17:00:05,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:05,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:05,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:05,133 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:05,134 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:05" (1/1) ... [2022-10-17 17:00:05,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:05,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 17:00:05,209 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 17:00:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:05,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:05,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:05,556 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 17:00:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 17:00:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 17:00:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:05,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 17:00:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 17:00:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:00:05,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:05,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:00:06,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:06,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 17:00:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 17:00:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:00:06,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:06,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:06,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:07,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2022-10-17 17:00:07,047 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2022-10-17 17:00:07,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:00:07,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:07,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:08,258 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2022-10-17 17:00:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2022-10-17 17:00:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:00:09,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:09,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:09,960 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-10-17 17:00:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-10-17 17:00:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:10,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:10,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:12,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:15,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 28 states and 71 transitions. [2022-10-17 17:00:15,016 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 71 transitions. [2022-10-17 17:00:15,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:15,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:15,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:16,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2022-10-17 17:00:18,682 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2022-10-17 17:00:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:00:18,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 35 states and 95 transitions. [2022-10-17 17:00:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 95 transitions. [2022-10-17 17:00:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:20,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:20,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 38 states and 111 transitions. [2022-10-17 17:00:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 111 transitions. [2022-10-17 17:00:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:26,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:27,859 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:28,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 39 states and 120 transitions. [2022-10-17 17:00:28,685 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 120 transitions. [2022-10-17 17:00:28,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:28,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 40 states and 124 transitions. [2022-10-17 17:00:31,064 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 124 transitions. [2022-10-17 17:00:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:31,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.