./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4 --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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- 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-2329fc7 [2022-12-14 18:50:17,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:50:17,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:50:17,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:50:17,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:50:17,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:50:17,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:50:17,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:50:17,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:50:17,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:50:17,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:50:17,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:50:17,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:50:17,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:50:17,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:50:17,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:50:17,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:50:17,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:50:17,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:50:17,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:50:17,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:50:17,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:50:17,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:50:17,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:50:17,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:50:17,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:50:17,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:50:17,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:50:17,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:50:17,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:50:17,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:50:17,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:50:17,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:50:17,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:50:17,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:50:17,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:50:17,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:50:17,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:50:17,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:50:17,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:50:17,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:50:17,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 18:50:17,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:50:17,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:50:17,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 18:50:17,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 18:50:17,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:50:17,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:50:17,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:50:17,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 18:50:17,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:50:17,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:50:17,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:50:17,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 18:50:17,957 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_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2022-12-14 18:50:18,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:50:18,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:50:18,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:50:18,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:50:18,146 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:50:18,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2022-12-14 18:50:20,774 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:50:20,946 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:50:20,947 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/sv-benchmarks/c/array-patterns/array21_pattern.c [2022-12-14 18:50:20,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/data/3335f1e52/873eefc286064f4393e7e857bdb63e37/FLAG613f7603f [2022-12-14 18:50:20,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/data/3335f1e52/873eefc286064f4393e7e857bdb63e37 [2022-12-14 18:50:20,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:50:20,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:50:20,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:50:20,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:50:20,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:50:20,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:50:20" (1/1) ... [2022-12-14 18:50:20,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec79a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:20, skipping insertion in model container [2022-12-14 18:50:20,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:50:20" (1/1) ... [2022-12-14 18:50:20,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:50:20,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:50:21,107 WARN L237 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_04a53647-668e-4e73-af27-fdefde0eb419/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2022-12-14 18:50:21,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:50:21,140 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:50:21,149 WARN L237 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_04a53647-668e-4e73-af27-fdefde0eb419/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2022-12-14 18:50:21,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:50:21,171 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:50:21,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21 WrapperNode [2022-12-14 18:50:21,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:50:21,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:50:21,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:50:21,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:50:21,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,201 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2022-12-14 18:50:21,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:50:21,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:50:21,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:50:21,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:50:21,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:50:21,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:50:21,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:50:21,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:50:21,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:50:21,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:50:21,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:50:21,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04a53647-668e-4e73-af27-fdefde0eb419/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:50:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-12-14 18:50:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-12-14 18:50:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:50:21,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 18:50:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 18:50:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:50:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:50:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:50:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:50:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:50:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:50:21,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:50:21,345 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:50:21,348 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:50:21,497 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:50:21,542 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:50:21,543 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 18:50:21,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:21 BoogieIcfgContainer [2022-12-14 18:50:21,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:50:21,546 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:50:21,546 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:50:21,553 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:50:21,553 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:50:21" (1/1) ... [2022-12-14 18:50:21,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:50:21,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:21,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 18:50:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 18:50:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:50:21,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:21,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:21,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 18:50:21,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:50:21,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:21,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-12-14 18:50:21,745 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-12-14 18:50:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 18:50:21,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:21,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:21,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 18:50:21,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:50:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:21,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-12-14 18:50:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-12-14 18:50:21,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 18:50:21,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:21,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 18:50:21,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:50:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2022-12-14 18:50:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-12-14 18:50:22,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 18:50:22,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:22,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:22,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 18:50:22,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:50:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2022-12-14 18:50:22,366 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2022-12-14 18:50:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 18:50:22,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:22,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:22,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 18:50:22,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 18:50:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2022-12-14 18:50:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-12-14 18:50:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:50:22,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:22,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:22,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:22,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:50:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2022-12-14 18:50:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-12-14 18:50:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 18:50:22,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:22,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:22,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:50:22,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:22,861 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:50:23,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:23,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2022-12-14 18:50:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-12-14 18:50:23,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 18:50:23,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:23,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:23,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:50:23,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 18:50:23,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2022-12-14 18:50:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2022-12-14 18:50:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 18:50:23,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:23,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:23,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 18:50:23,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 18:50:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:23,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2022-12-14 18:50:23,892 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-12-14 18:50:23,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 18:50:23,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:23,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 18:50:23,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 18:50:24,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:24,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2022-12-14 18:50:24,196 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-12-14 18:50:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 18:50:24,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:24,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:24,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 68 conjunts are in the unsatisfiable core [2022-12-14 18:50:24,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:24,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 18:50:24,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2022-12-14 18:50:24,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,878 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 18:50:24,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 55 [2022-12-14 18:50:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:24,987 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 18:50:24,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 49 [2022-12-14 18:50:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:26,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:26,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:26,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:26,117 INFO L321 Elim1Store]: treesize reduction 97, result has 49.2 percent of original size [2022-12-14 18:50:26,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 122 [2022-12-14 18:50:27,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:27,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:27,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:27,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 18:50:27,994 INFO L321 Elim1Store]: treesize reduction 126, result has 9.4 percent of original size [2022-12-14 18:50:27,995 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 200 treesize of output 68 [2022-12-14 18:50:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:50:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 122 transitions. [2022-12-14 18:50:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2022-12-14 18:50:38,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 18:50:38,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:38,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:38,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:38,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 18:50:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 81 states and 134 transitions. [2022-12-14 18:50:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2022-12-14 18:50:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 18:50:41,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:41,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:41,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:41,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-12-14 18:50:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:43,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 86 states and 141 transitions. [2022-12-14 18:50:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2022-12-14 18:50:43,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 18:50:43,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:43,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:43,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 18:50:43,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 18:50:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 86 states and 140 transitions. [2022-12-14 18:50:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2022-12-14 18:50:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 18:50:47,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:47,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:47,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 18:50:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 89 states and 143 transitions. [2022-12-14 18:50:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2022-12-14 18:50:48,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 18:50:48,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:48,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:48,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:49,002 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 18:50:49,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:49,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 82 states and 126 transitions. [2022-12-14 18:50:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2022-12-14 18:50:49,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 18:50:49,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:49,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:49,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:49,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-12-14 18:50:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:50:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 97 states and 150 transitions. [2022-12-14 18:50:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2022-12-14 18:50:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 18:50:56,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:50:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:50:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:50:56,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:50:56,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:50:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 18:51:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:51:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 102 states and 156 transitions. [2022-12-14 18:51:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2022-12-14 18:51:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 18:51:00,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:51:00,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:51:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:00,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:51:00,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:51:00,189 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-12-14 18:51:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:51:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 107 states and 163 transitions. [2022-12-14 18:51:01,137 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 163 transitions. [2022-12-14 18:51:01,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 18:51:01,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:51:01,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:51:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:01,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 18:51:01,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:51:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 18:51:01,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:51:01,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 109 states and 163 transitions. [2022-12-14 18:51:01,453 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2022-12-14 18:51:01,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 18:51:01,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:51:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:51:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:51:02,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 91 conjunts are in the unsatisfiable core [2022-12-14 18:51:02,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 18:51:02,783 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-12-14 18:51:02,983 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 32 treesize of output 31 [2022-12-14 18:51:03,703 INFO L321 Elim1Store]: treesize reduction 50, result has 25.4 percent of original size [2022-12-14 18:51:03,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2022-12-14 18:51:03,976 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-12-14 18:51:03,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 49 [2022-12-14 18:54:28,271 INFO L321 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2022-12-14 18:54:28,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 124 [2022-12-14 18:55:09,183 INFO L321 Elim1Store]: treesize reduction 341, result has 22.7 percent of original size [2022-12-14 18:55:09,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 173 treesize of output 161 [2022-12-14 18:55:21,554 INFO L321 Elim1Store]: treesize reduction 387, result has 31.7 percent of original size [2022-12-14 18:55:21,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 497 treesize of output 365 [2022-12-14 18:56:01,789 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 9 proven. 49 refuted. 5 times theorem prover too weak. 3 trivial. 0 not checked.