./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array24_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array24_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg --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 b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 --- 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-b5237d8 [2022-11-21 21:59:28,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:59:28,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:59:28,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:59:28,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:59:28,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:59:28,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:59:28,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:59:28,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:59:28,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:59:28,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:59:28,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:59:28,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:59:28,085 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:59:28,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:59:28,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:59:28,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:59:28,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:59:28,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:59:28,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:59:28,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:59:28,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:59:28,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:59:28,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:59:28,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:59:28,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:59:28,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:59:28,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:59:28,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:59:28,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:59:28,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:59:28,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:59:28,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:59:28,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:59:28,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:59:28,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:59:28,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:59:28,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:59:28,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:59:28,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:59:28,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:59:28,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-21 21:59:28,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:59:28,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:59:28,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:59:28,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:59:28,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:59:28,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:59:28,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:59:28,168 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:59:28,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:59:28,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:59:28,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:59:28,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:59:28,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:59:28,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:59:28,169 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:59:28,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:59:28,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:59:28,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:59:28,170 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:59:28,171 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:59:28,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:59:28,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:28,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:59:28,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:59:28,172 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:59:28,172 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:59:28,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:59:28,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:59:28,173 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_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 [2022-11-21 21:59:28,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:59:28,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:59:28,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:59:28,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:59:28,481 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:59:28,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/array-patterns/array24_pattern.c [2022-11-21 21:59:31,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:59:31,672 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:59:31,673 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/sv-benchmarks/c/array-patterns/array24_pattern.c [2022-11-21 21:59:31,679 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/data/a1c1bd57d/ae7badd15d27456896f31f6089d83996/FLAG3356a3939 [2022-11-21 21:59:31,690 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/data/a1c1bd57d/ae7badd15d27456896f31f6089d83996 [2022-11-21 21:59:31,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:59:31,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:59:31,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:31,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:59:31,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:59:31,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e1e8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31, skipping insertion in model container [2022-11-21 21:59:31,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:59:31,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:59:31,883 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_100231b4-7b19-4cae-a3b5-e27d8291d88f/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2022-11-21 21:59:31,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:31,911 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:59:31,923 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_100231b4-7b19-4cae-a3b5-e27d8291d88f/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2022-11-21 21:59:31,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:31,947 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:59:31,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31 WrapperNode [2022-11-21 21:59:31,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:31,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:31,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:59:31,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:59:31,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,988 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2022-11-21 21:59:31,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:31,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:59:31,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:59:31,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:59:31,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:31,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:59:32,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:59:32,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:59:32,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:59:32,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:31" (1/1) ... [2022-11-21 21:59:32,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:32,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:59:32,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:59:32,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_100231b4-7b19-4cae-a3b5-e27d8291d88f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:59:32,096 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-11-21 21:59:32,096 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-11-21 21:59:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:59:32,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 21:59:32,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 21:59:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:59:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 21:59:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 21:59:32,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:59:32,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:59:32,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 21:59:32,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 21:59:32,213 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:59:32,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:59:32,395 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:59:32,471 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:59:32,471 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 21:59:32,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:32 BoogieIcfgContainer [2022-11-21 21:59:32,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:59:32,474 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:59:32,475 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:59:32,500 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:59:32,500 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:59:32" (1/1) ... [2022-11-21 21:59:32,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:59:32,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:32,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-11-21 21:59:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-11-21 21:59:32,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 21:59:32,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:32,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:32,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 21:59:32,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:59:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-11-21 21:59:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-11-21 21:59:32,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 21:59:32,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:32,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 21:59:32,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:32,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:59:33,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-11-21 21:59:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-11-21 21:59:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 21:59:33,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:33,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 21:59:33,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:59:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2022-11-21 21:59:33,422 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2022-11-21 21:59:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 21:59:33,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:33,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 21:59:33,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:33,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 21:59:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2022-11-21 21:59:33,830 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2022-11-21 21:59:33,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 21:59:33,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:33,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 21:59:33,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 21:59:33,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:33,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2022-11-21 21:59:33,952 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-11-21 21:59:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 21:59:33,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:33,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 21:59:34,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 21:59:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2022-11-21 21:59:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2022-11-21 21:59:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 21:59:34,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:34,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:34,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 21:59:34,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:34,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-21 21:59:35,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2022-11-21 21:59:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-11-21 21:59:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-21 21:59:35,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:35,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:35,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 21:59:35,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-21 21:59:36,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2022-11-21 21:59:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2022-11-21 21:59:36,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 21:59:36,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:36,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:36,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 21:59:36,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-21 21:59:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2022-11-21 21:59:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-11-21 21:59:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 21:59:36,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:36,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:36,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 21:59:36,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 21:59:36,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:59:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2022-11-21 21:59:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-11-21 21:59:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-21 21:59:36,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:59:36,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:59:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:59:37,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 70 conjunts are in the unsatisfiable core [2022-11-21 21:59:37,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 21:59:37,273 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 [2022-11-21 21:59:37,379 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 [2022-11-21 21:59:37,735 INFO L321 Elim1Store]: treesize reduction 73, result has 30.5 percent of original size [2022-11-21 21:59:37,736 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 53 treesize of output 55 [2022-11-21 21:59:37,886 INFO L321 Elim1Store]: treesize reduction 66, result has 20.5 percent of original size [2022-11-21 21:59:37,887 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 [2022-11-21 22:00:07,081 INFO L321 Elim1Store]: treesize reduction 263, result has 13.2 percent of original size [2022-11-21 22:00:07,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 73 treesize of output 68 [2022-11-21 22:00:08,065 INFO L321 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-11-21 22:00:08,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 18 [2022-11-21 22:00:08,219 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:01:21,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 76 states and 121 transitions. [2022-11-21 22:01:21,816 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2022-11-21 22:01:21,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-21 22:01:21,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:21,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:21,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:21,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-21 22:01:25,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 81 states and 133 transitions. [2022-11-21 22:01:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2022-11-21 22:01:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 22:01:25,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:25,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:25,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:25,894 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-21 22:01:28,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:28,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 86 states and 140 transitions. [2022-11-21 22:01:28,348 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2022-11-21 22:01:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 22:01:28,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:28,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:28,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-21 22:01:28,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-21 22:01:34,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 86 states and 139 transitions. [2022-11-21 22:01:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 139 transitions. [2022-11-21 22:01:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 22:01:34,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:34,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:34,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:34,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:01:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:35,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 142 transitions. [2022-11-21 22:01:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2022-11-21 22:01:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 22:01:35,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:35,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:35,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:35,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-21 22:01:36,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:36,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 82 states and 125 transitions. [2022-11-21 22:01:36,369 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2022-11-21 22:01:36,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 22:01:36,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:36,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:36,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:36,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:36,509 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-21 22:01:56,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:56,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 97 states and 149 transitions. [2022-11-21 22:01:56,802 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2022-11-21 22:01:56,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 22:01:56,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:56,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:56,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:56,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:56,968 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-11-21 22:01:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:01:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 102 states and 155 transitions. [2022-11-21 22:01:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2022-11-21 22:01:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 22:01:59,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:01:59,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:01:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:01:59,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:01:59,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:01:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-21 22:02:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 107 states and 162 transitions. [2022-11-21 22:02:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2022-11-21 22:02:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 22:02:00,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:00,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:00,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 22:02:00,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:02:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-11-21 22:02:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:02:01,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 89 states and 123 transitions. [2022-11-21 22:02:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2022-11-21 22:02:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 22:02:01,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:02:01,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:02:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:02:03,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 124 conjunts are in the unsatisfiable core [2022-11-21 22:02:03,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:02:03,693 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 [2022-11-21 22:02:03,712 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 [2022-11-21 22:02:09,972 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:02:09,972 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 1 case distinctions, treesize of input 46 treesize of output 48 [2022-11-21 22:02:10,805 INFO L321 Elim1Store]: treesize reduction 100, result has 20.6 percent of original size [2022-11-21 22:02:10,805 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 6 case distinctions, treesize of input 47 treesize of output 52 [2022-11-21 22:02:11,112 INFO L321 Elim1Store]: treesize reduction 148, result has 14.9 percent of original size [2022-11-21 22:02:11,113 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 9 case distinctions, treesize of input 64 treesize of output 72 [2022-11-21 22:02:11,449 INFO L321 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-11-21 22:02:11,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 71 treesize of output 82 [2022-11-21 22:02:12,533 INFO L321 Elim1Store]: treesize reduction 300, result has 19.6 percent of original size [2022-11-21 22:02:12,534 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 90 treesize of output 104 [2022-11-21 22:02:12,999 INFO L321 Elim1Store]: treesize reduction 374, result has 16.3 percent of original size [2022-11-21 22:02:13,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 104 treesize of output 121 [2022-11-21 22:02:13,506 INFO L321 Elim1Store]: treesize reduction 374, result has 14.0 percent of original size [2022-11-21 22:02:13,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 100 treesize of output 120 [2022-11-21 22:06:16,782 INFO L321 Elim1Store]: treesize reduction 812, result has 10.6 percent of original size [2022-11-21 22:06:16,782 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 129 treesize of output 139 [2022-11-21 22:06:23,081 INFO L321 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2022-11-21 22:06:23,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 128 treesize of output 34 [2022-11-21 22:06:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 4 proven. 144 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 22:11:16,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 128 states and 183 transitions. [2022-11-21 22:11:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 183 transitions. [2022-11-21 22:11:16,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 22:11:16,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:16,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:16,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:11:16,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:11:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-11-21 22:11:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 134 states and 197 transitions. [2022-11-21 22:11:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2022-11-21 22:11:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 22:11:25,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:25,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:25,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 22:11:25,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:11:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 39 proven. 46 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-21 22:11:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:11:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 140 states and 204 transitions. [2022-11-21 22:11:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2022-11-21 22:11:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 22:11:32,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:11:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:11:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:11:34,840 WARN L261 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 154 conjunts are in the unsatisfiable core [2022-11-21 22:11:34,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 22:11:35,605 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 [2022-11-21 22:11:36,012 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 [2022-11-21 22:11:46,459 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-21 22:11:46,460 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 1 case distinctions, treesize of input 46 treesize of output 48 [2022-11-21 22:12:09,324 INFO L321 Elim1Store]: treesize reduction 100, result has 20.6 percent of original size [2022-11-21 22:12:09,324 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 6 case distinctions, treesize of input 47 treesize of output 52 [2022-11-21 22:12:29,921 INFO L321 Elim1Store]: treesize reduction 148, result has 14.9 percent of original size [2022-11-21 22:12:29,922 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 9 case distinctions, treesize of input 64 treesize of output 72 [2022-11-21 22:12:50,552 INFO L321 Elim1Store]: treesize reduction 158, result has 14.1 percent of original size [2022-11-21 22:12:50,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 71 treesize of output 82 [2022-11-21 22:13:52,006 INFO L321 Elim1Store]: treesize reduction 278, result has 18.0 percent of original size [2022-11-21 22:13:52,006 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 78 treesize of output 92 [2022-11-21 22:14:12,776 INFO L321 Elim1Store]: treesize reduction 364, result has 14.4 percent of original size [2022-11-21 22:14:12,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 92 treesize of output 109 [2022-11-21 22:14:33,580 INFO L321 Elim1Store]: treesize reduction 374, result has 14.0 percent of original size [2022-11-21 22:14:33,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 100 treesize of output 120