./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2o.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_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/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_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res2o.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/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_4d9bbfdf-60ea-4e26-9ca6-047780e63529/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 c8f420e2027982da4f1bb18a6387f830c2a1e2f24637d0451d3246965ba37a6d --- 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 17:03:24,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:24,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:24,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:24,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:24,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:24,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:24,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:24,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:24,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:24,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:24,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:24,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:24,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:24,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:24,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:24,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:24,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:24,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:24,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:24,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:24,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:24,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:24,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:24,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:24,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:24,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:24,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:24,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:24,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:24,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:24,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:24,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:24,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:24,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:24,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:24,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:24,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:24,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:24,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:24,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:24,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:03:24,981 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:24,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:24,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:24,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:24,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:24,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:24,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:24,985 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:03:24,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:24,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:03:24,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:24,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:24,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:24,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:24,986 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:03:24,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:24,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:24,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:24,987 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:24,987 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:24,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:24,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:24,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:24,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:24,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:24,998 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:24,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:24,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:25,002 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_4d9bbfdf-60ea-4e26-9ca6-047780e63529/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8f420e2027982da4f1bb18a6387f830c2a1e2f24637d0451d3246965ba37a6d [2022-10-17 17:03:25,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:25,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:25,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:25,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:25,278 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:25,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/res2o.c [2022-10-17 17:03:25,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/data/4c35301dd/78870fb9f0b04238b3cc2d9dd4b96e25/FLAG11fe7f46c [2022-10-17 17:03:25,795 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:25,796 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/sv-benchmarks/c/array-fpi/res2o.c [2022-10-17 17:03:25,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/data/4c35301dd/78870fb9f0b04238b3cc2d9dd4b96e25/FLAG11fe7f46c [2022-10-17 17:03:26,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/data/4c35301dd/78870fb9f0b04238b3cc2d9dd4b96e25 [2022-10-17 17:03:26,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:26,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:26,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:26,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:26,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:26,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39564a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26, skipping insertion in model container [2022-10-17 17:03:26,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:26,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:26,360 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_4d9bbfdf-60ea-4e26-9ca6-047780e63529/sv-benchmarks/c/array-fpi/res2o.c[588,601] [2022-10-17 17:03:26,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:26,425 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:26,438 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_4d9bbfdf-60ea-4e26-9ca6-047780e63529/sv-benchmarks/c/array-fpi/res2o.c[588,601] [2022-10-17 17:03:26,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:26,463 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:26,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26 WrapperNode [2022-10-17 17:03:26,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:26,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:26,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:26,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:26,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,515 INFO L138 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2022-10-17 17:03:26,515 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:26,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:26,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:26,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:26,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,559 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:26,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:26,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:26,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:26,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:26" (1/1) ... [2022-10-17 17:03:26,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:26,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:26,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:26,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d9bbfdf-60ea-4e26-9ca6-047780e63529/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:03:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:03:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:03:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:26,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:03:26,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:03:26,774 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:26,776 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:27,015 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:27,080 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:27,080 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:03:27,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:27 BoogieIcfgContainer [2022-10-17 17:03:27,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:27,084 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:27,084 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:27,096 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:27,096 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:27" (1/1) ... [2022-10-17 17:03:27,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 17:03:27,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 17:03:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:03:27,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:27,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:27,560 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 17:03:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:27,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 17:03:27,666 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 17:03:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:03:27,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:27,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:27,902 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 17:03:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 17:03:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 17:03:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:03:27,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:27,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:03:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 17:03:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 17:03:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:03:28,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:28,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:03:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 17:03:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 17:03:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:03:28,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:28,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:28,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:28,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-10-17 17:03:28,421 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-10-17 17:03:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:03:28,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:28,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:03:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2022-10-17 17:03:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2022-10-17 17:03:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:03:28,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:28,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:30,873 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 17:03:33,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2022-10-17 17:03:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2022-10-17 17:03:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:33,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:34,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:36,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 38 states and 96 transitions. [2022-10-17 17:03:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 96 transitions. [2022-10-17 17:03:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:36,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:36,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 41 states and 103 transitions. [2022-10-17 17:03:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 103 transitions. [2022-10-17 17:03:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:03:37,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:37,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 42 states and 103 transitions. [2022-10-17 17:03:38,159 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 103 transitions. [2022-10-17 17:03:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:03:38,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:38,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:38,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:03:39,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:39,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 43 states and 101 transitions. [2022-10-17 17:03:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 101 transitions. [2022-10-17 17:03:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:03:39,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:39,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:03:40,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:40,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 98 transitions. [2022-10-17 17:03:40,422 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 98 transitions. [2022-10-17 17:03:40,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:03:40,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:40,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:03:41,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:41,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 44 states and 99 transitions. [2022-10-17 17:03:41,020 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 99 transitions. [2022-10-17 17:03:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:03:41,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:41,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 17:03:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 46 states and 101 transitions. [2022-10-17 17:03:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 101 transitions. [2022-10-17 17:03:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:03:42,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:42,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:03:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 47 states and 103 transitions. [2022-10-17 17:03:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 103 transitions. [2022-10-17 17:03:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:03:43,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:43,407 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:03:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 50 states and 109 transitions. [2022-10-17 17:03:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 109 transitions. [2022-10-17 17:03:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:03:44,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:44,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:03:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 118 transitions. [2022-10-17 17:03:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 118 transitions. [2022-10-17 17:03:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:45,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:45,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 17:03:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:46,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 108 transitions. [2022-10-17 17:03:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 108 transitions. [2022-10-17 17:03:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:03:46,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.