./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array16_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH --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 db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d --- 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-e04fb08 [2022-11-16 08:10:54,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:10:54,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:10:54,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:10:54,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:10:54,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:10:54,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:10:54,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:10:54,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:10:54,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:10:54,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:10:54,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:10:54,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:10:54,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:10:54,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:10:54,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:10:54,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:10:54,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:10:54,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:10:54,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:10:54,876 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:10:54,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:10:54,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:10:54,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:10:54,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:10:54,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:10:54,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:10:54,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:10:54,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:10:54,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:10:54,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:10:54,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:10:54,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:10:54,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:10:54,902 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:10:54,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:10:54,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:10:54,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:10:54,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:10:54,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:10:54,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:10:54,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 08:10:54,940 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:10:54,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:10:54,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:10:54,942 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:10:54,942 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:10:54,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:10:54,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:10:54,943 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:10:54,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:10:54,943 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:10:54,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:10:54,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:10:54,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:10:54,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:10:54,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:10:54,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:10:54,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:10:54,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:10:54,946 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:10:54,947 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:10:54,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:10:54,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:10:54,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:10:54,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:10:54,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:10:54,962 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:10:54,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:10:54,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:10:54,962 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_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2022-11-16 08:10:55,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:10:55,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:10:55,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:10:55,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:10:55,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:10:55,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/array-patterns/array16_pattern.c [2022-11-16 08:10:55,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/data/c057518ad/2845bd34606542be9a01a4a42b2b1e26/FLAGcd69ff519 [2022-11-16 08:10:55,893 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:10:55,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/sv-benchmarks/c/array-patterns/array16_pattern.c [2022-11-16 08:10:55,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/data/c057518ad/2845bd34606542be9a01a4a42b2b1e26/FLAGcd69ff519 [2022-11-16 08:10:56,227 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/data/c057518ad/2845bd34606542be9a01a4a42b2b1e26 [2022-11-16 08:10:56,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:10:56,231 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:10:56,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:10:56,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:10:56,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:10:56,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15292391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56, skipping insertion in model container [2022-11-16 08:10:56,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:10:56,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:10:56,522 WARN L229 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_e400dcb5-80a6-4c55-9313-5bee0512fdb5/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2022-11-16 08:10:56,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:10:56,550 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:10:56,562 WARN L229 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_e400dcb5-80a6-4c55-9313-5bee0512fdb5/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2022-11-16 08:10:56,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:10:56,585 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:10:56,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56 WrapperNode [2022-11-16 08:10:56,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:10:56,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:10:56,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:10:56,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:10:56,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,629 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-11-16 08:10:56,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:10:56,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:10:56,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:10:56,630 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:10:56,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,669 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:10:56,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:10:56,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:10:56,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:10:56,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:10:56" (1/1) ... [2022-11-16 08:10:56,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:10:56,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:10:56,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:10:56,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e400dcb5-80a6-4c55-9313-5bee0512fdb5/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:10:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:10:56,775 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 08:10:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 08:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:10:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:10:56,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:10:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 08:10:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:10:56,866 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:10:56,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:10:57,135 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:10:57,238 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:10:57,239 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 08:10:57,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:10:57 BoogieIcfgContainer [2022-11-16 08:10:57,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:10:57,243 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:10:57,244 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:10:57,255 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:10:57,255 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:10:57" (1/1) ... [2022-11-16 08:10:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:10:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:10:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-16 08:10:57,334 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-16 08:10:57,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 08:10:57,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:10:57,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:10:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:10:57,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 08:10:57,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:10:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:10:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:10:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-11-16 08:10:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-11-16 08:10:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 08:10:57,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:10:57,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:10:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:10:57,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 08:10:57,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:10:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 08:10:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:10:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-11-16 08:10:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-11-16 08:10:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 08:10:57,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:10:57,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:10:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:10:57,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:10:57,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:10:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-16 08:10:58,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:10:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-11-16 08:10:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-11-16 08:10:58,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 08:10:58,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:10:58,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:10:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:10:58,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:10:58,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:10:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 08:10:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:10:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-11-16 08:10:58,427 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-11-16 08:10:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 08:10:58,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:10:58,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:10:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:10:58,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 08:10:58,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:10:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 08:10:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:10:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-11-16 08:10:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-11-16 08:10:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 08:10:58,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:10:58,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:10:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:10:58,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-16 08:10:58,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 08:10:58,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2022-11-16 08:10:58,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 30 [2022-11-16 08:10:59,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 643 treesize of output 608 [2022-11-16 08:11:18,869 WARN L233 SmtUtils]: Spent 19.23s on a formula simplification. DAG size of input: 349 DAG size of output: 5 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-16 08:11:18,870 INFO L321 Elim1Store]: treesize reduction 3054, result has 0.2 percent of original size [2022-11-16 08:11:18,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 76 case distinctions, treesize of input 619 treesize of output 3354 [2022-11-16 08:11:26,148 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:26,152 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 981 [2022-11-16 08:11:30,544 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:30,547 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 981 [2022-11-16 08:11:34,953 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:34,955 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 981 [2022-11-16 08:11:36,009 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:36,012 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 872 [2022-11-16 08:11:43,827 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:43,830 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 872 [2022-11-16 08:11:45,800 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:45,804 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1669 [2022-11-16 08:11:58,320 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:11:58,332 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1473 [2022-11-16 08:12:03,951 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:03,957 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1473 [2022-11-16 08:12:15,362 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:15,367 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1473 [2022-11-16 08:12:18,168 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:18,170 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 633 [2022-11-16 08:12:29,641 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:29,644 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 855 [2022-11-16 08:12:30,538 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:30,540 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1011 [2022-11-16 08:12:33,138 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:33,139 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 855 [2022-11-16 08:12:41,968 WARN L233 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-16 08:12:54,051 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:12:54,057 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3900 [2022-11-16 08:13:40,875 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:13:40,876 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 802 [2022-11-16 08:13:42,503 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 08:13:42,505 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1473 [2022-11-16 08:13:49,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:13:50,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 08:13:50,244 INFO L217 Elim1Store]: Index analysis took 459 ms