./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms1.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_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/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_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/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_6c1444b7-1f4f-4f67-901a-cef1b515b08d/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 f19b0f8887e7e48eabb6ce59c44b5494c064f6817a5ff1a77078d9e3a8f8600e --- 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 16:39:29,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:29,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:29,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:29,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:29,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:29,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:29,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:29,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:29,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:29,981 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:29,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:29,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:29,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:29,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:29,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:29,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:29,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:29,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:29,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:29,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:29,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:30,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:30,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:30,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:30,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:30,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:30,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:30,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:30,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:30,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:30,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:30,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:30,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:30,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:30,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:30,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:30,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:30,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:30,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:30,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:30,022 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:30,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:30,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:30,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:30,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:30,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:30,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:30,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:30,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:30,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:30,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:30,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:30,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:30,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:30,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:30,050 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:30,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:30,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:30,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:30,051 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:30,051 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:30,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:30,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:30,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:30,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:30,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:30,053 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:30,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:30,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:30,053 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_6c1444b7-1f4f-4f67-901a-cef1b515b08d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f19b0f8887e7e48eabb6ce59c44b5494c064f6817a5ff1a77078d9e3a8f8600e [2022-10-17 16:39:30,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:30,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:30,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:30,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:30,433 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:30,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ms1.c [2022-10-17 16:39:30,510 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/data/9a1520d07/61b2a661bf794402b7b2c6b568b70fdc/FLAGe26d3f733 [2022-10-17 16:39:31,022 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:31,023 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/sv-benchmarks/c/array-fpi/ms1.c [2022-10-17 16:39:31,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/data/9a1520d07/61b2a661bf794402b7b2c6b568b70fdc/FLAGe26d3f733 [2022-10-17 16:39:31,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/data/9a1520d07/61b2a661bf794402b7b2c6b568b70fdc [2022-10-17 16:39:31,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:31,357 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:31,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:31,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:31,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:31,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500ffd71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31, skipping insertion in model container [2022-10-17 16:39:31,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:31,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:31,565 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_6c1444b7-1f4f-4f67-901a-cef1b515b08d/sv-benchmarks/c/array-fpi/ms1.c[586,599] [2022-10-17 16:39:31,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:31,593 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:31,607 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_6c1444b7-1f4f-4f67-901a-cef1b515b08d/sv-benchmarks/c/array-fpi/ms1.c[586,599] [2022-10-17 16:39:31,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:31,628 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:31,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31 WrapperNode [2022-10-17 16:39:31,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:31,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:31,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:31,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:31,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,646 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,667 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-10-17 16:39:31,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:31,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:31,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:31,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:31,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,693 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:31,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:31,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:31,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:31,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:31" (1/1) ... [2022-10-17 16:39:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:31,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:31,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c1444b7-1f4f-4f67-901a-cef1b515b08d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:39:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:39:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:31,852 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:31,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:32,027 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:32,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:32,086 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:39:32,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:32 BoogieIcfgContainer [2022-10-17 16:39:32,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:32,090 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:32,090 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:32,111 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:32,111 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:32" (1/1) ... [2022-10-17 16:39:32,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-10-17 16:39:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-10-17 16:39:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:32,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:32,599 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 16:39:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:39:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:39:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:32,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:32,846 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 16:39:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:39:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:39:32,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:32,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:33,419 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 16:39:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 16:39:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 16:39:33,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:39:33,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:33,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:33,814 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 16:39:34,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 30 transitions. [2022-10-17 16:39:34,228 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 30 transitions. [2022-10-17 16:39:34,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:39:34,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:34,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:35,059 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 16:39:36,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2022-10-17 16:39:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2022-10-17 16:39:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:36,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:36,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:36,445 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 16:39:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2022-10-17 16:39:37,238 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2022-10-17 16:39:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:37,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:37,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:38,749 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 16:39:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2022-10-17 16:39:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2022-10-17 16:39:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:39:40,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:41,065 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 16:39:42,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2022-10-17 16:39:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2022-10-17 16:39:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:42,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:45,293 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 16:39:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 34 states and 76 transitions. [2022-10-17 16:39:47,568 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 76 transitions. [2022-10-17 16:39:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:47,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:47,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 84 transitions. [2022-10-17 16:39:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 84 transitions. [2022-10-17 16:39:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:49,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:54,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 42 states and 99 transitions. [2022-10-17 16:39:54,703 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 99 transitions. [2022-10-17 16:39:54,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:54,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:54,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 43 states and 102 transitions. [2022-10-17 16:39:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 102 transitions. [2022-10-17 16:39:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:57,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.