./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array24_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ --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 --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:37:12,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:37:12,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:37:12,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:37:12,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:37:12,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:37:12,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:37:12,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:37:12,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:37:12,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:37:12,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:37:12,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:37:12,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:37:12,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:37:12,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:37:12,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:37:12,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:37:12,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:37:12,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:37:12,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:37:12,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:37:12,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:37:12,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:37:12,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:37:12,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:37:12,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:37:12,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:37:12,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:37:12,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:37:12,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:37:12,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:37:12,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:37:12,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:37:12,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:37:12,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:37:12,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:37:12,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:37:12,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:37:12,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:37:12,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:37:12,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:37:12,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:37:12,914 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:37:12,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:37:12,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:37:12,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:37:12,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:37:12,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:37:12,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:37:12,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:37:12,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:37:12,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:37:12,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:37:12,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:37:12,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:37:12,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:37:12,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:37:12,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:37:12,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:37:12,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:37:12,922 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:37:12,922 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:37:12,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:37:12,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:12,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:37:12,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:37:12,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:37:12,924 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:37:12,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:37:12,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:37:12,925 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_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 [2021-11-23 01:37:13,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:37:13,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:37:13,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:37:13,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:37:13,269 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:37:13,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-patterns/array24_pattern.c [2021-11-23 01:37:13,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/data/a959b4ed3/4fa4052ff9ff49c3a1cce086dfd3b7d9/FLAGc5ceee78a [2021-11-23 01:37:13,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:37:13,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/sv-benchmarks/c/array-patterns/array24_pattern.c [2021-11-23 01:37:13,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/data/a959b4ed3/4fa4052ff9ff49c3a1cce086dfd3b7d9/FLAGc5ceee78a [2021-11-23 01:37:14,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/data/a959b4ed3/4fa4052ff9ff49c3a1cce086dfd3b7d9 [2021-11-23 01:37:14,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:37:14,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:37:14,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:14,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:37:14,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:37:14,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a26b8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14, skipping insertion in model container [2021-11-23 01:37:14,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:37:14,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:37:14,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2021-11-23 01:37:14,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:14,558 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:37:14,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2021-11-23 01:37:14,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:37:14,619 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:37:14,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14 WrapperNode [2021-11-23 01:37:14,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:37:14,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:14,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:37:14,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:37:14,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,682 INFO L137 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2021-11-23 01:37:14,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:37:14,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:37:14,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:37:14,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:37:14,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:37:14,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:37:14,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:37:14,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:37:14,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:37:14" (1/1) ... [2021-11-23 01:37:14,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:37:14,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:37:14,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:37:14,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f02f36b-cdaf-40b4-a0a8-a3cdc677e47d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:37:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-23 01:37:14,831 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-23 01:37:14,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:37:14,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:37:14,833 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:37:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:37:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:37:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:37:14,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:37:14,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:37:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:37:14,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:37:14,927 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:37:14,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:37:15,156 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:37:15,203 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:37:15,203 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:37:15,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:15 BoogieIcfgContainer [2021-11-23 01:37:15,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:37:15,207 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:37:15,207 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:37:15,221 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:37:15,230 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:37:15" (1/1) ... [2021-11-23 01:37:15,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:37:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-23 01:37:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-23 01:37:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:37:15,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:37:15,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:37:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-23 01:37:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-23 01:37:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:37:15,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:37:15,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:15,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-23 01:37:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-23 01:37:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:37:15,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:15,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:15,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:37:15,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:37:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-23 01:37:16,143 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-23 01:37:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:37:16,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:16,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:16,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:37:16,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:37:16,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2021-11-23 01:37:16,533 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-23 01:37:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:16,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:16,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:16,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:37:16,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:37:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2021-11-23 01:37:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-23 01:37:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:37:16,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:16,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:16,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:16,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:37:16,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:17,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2021-11-23 01:37:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-23 01:37:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:37:17,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:17,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:17,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:37:17,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:18,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2021-11-23 01:37:18,004 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-23 01:37:18,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:18,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:37:18,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:37:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2021-11-23 01:37:18,774 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-23 01:37:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:37:18,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:18,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:18,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:37:18,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:37:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2021-11-23 01:37:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-23 01:37:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:37:19,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:19,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:37:19,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:37:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2021-11-23 01:37:19,535 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2021-11-23 01:37:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:37:19,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:19,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:19,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:37:19,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:37:19,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:37:19,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:37:19,959 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-23 01:37:19,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2021-11-23 01:37:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 21 [2021-11-23 01:37:20,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 24 [2021-11-23 01:37:20,471 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-23 01:37:20,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 140 [2021-11-23 01:37:20,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 29 [2021-11-23 01:37:20,749 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-23 01:37:20,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:37:20,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:37:20,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 33 [2021-11-23 01:38:34,353 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-23 01:38:34,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:38:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:38:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:38:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:38:36,136 INFO L354 Elim1Store]: treesize reduction 280, result has 0.4 percent of original size [2021-11-23 01:38:36,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 162 treesize of output 51 [2021-11-23 01:38:37,620 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-23 01:38:37,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 36 [2021-11-23 01:38:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 74 states and 121 transitions. [2021-11-23 01:39:58,202 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 121 transitions. [2021-11-23 01:39:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:39:58,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:58,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:58,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:39:58,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:58,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:39:58,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:39:58,977 INFO L354 Elim1Store]: treesize reduction 168, result has 20.4 percent of original size [2021-11-23 01:39:58,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 105 [2021-11-23 01:39:59,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 7 [2021-11-23 01:39:59,424 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-23 01:39:59,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 140 [2021-11-23 01:39:59,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 44 [2021-11-23 01:39:59,640 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-23 01:39:59,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:39:59,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:39:59,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 26 [2021-11-23 01:40:54,725 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-23 01:40:54,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:40:56,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:40:56,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:40:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:40:56,225 INFO L354 Elim1Store]: treesize reduction 280, result has 0.4 percent of original size [2021-11-23 01:40:56,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 164 treesize of output 84 [2021-11-23 01:40:57,299 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-23 01:40:57,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 36 [2021-11-23 01:40:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 80 states and 132 transitions. [2021-11-23 01:41:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2021-11-23 01:41:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:41:00,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:00,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:00,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:41:00,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:00,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:41:00,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:41:00,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:00,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:00,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 91 [2021-11-23 01:41:00,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:00,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 7 [2021-11-23 01:41:35,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,133 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:41:35,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 140 [2021-11-23 01:41:35,164 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:41:35,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:35,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 28 [2021-11-23 01:41:55,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,470 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:41:55,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:41:55,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:55,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 26 [2021-11-23 01:41:57,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:57,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:57,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:57,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:58,167 INFO L354 Elim1Store]: treesize reduction 705, result has 22.4 percent of original size [2021-11-23 01:41:58,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:41:59,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:59,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:41:59,487 INFO L354 Elim1Store]: treesize reduction 280, result has 0.4 percent of original size [2021-11-23 01:41:59,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 164 treesize of output 84 [2021-11-23 01:42:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:42:01,843 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:42:01,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 36 [2021-11-23 01:42:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:44:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:30,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 94 states and 163 transitions. [2021-11-23 01:44:30,946 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2021-11-23 01:44:30,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:44:30,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:30,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:31,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:44:31,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:44:31,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:44:31,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:44:31,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:31,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 105 [2021-11-23 01:44:31,827 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:44:31,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:31,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 7 [2021-11-23 01:44:42,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,767 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:44:42,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 132 [2021-11-23 01:44:42,794 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:44:42,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:44:42,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 29 [2021-11-23 01:45:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:45:03,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:45:03,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:03,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 33 [2021-11-23 01:45:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:05,663 INFO L354 Elim1Store]: treesize reduction 705, result has 22.4 percent of original size [2021-11-23 01:45:05,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:45:07,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:07,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:07,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:07,056 INFO L354 Elim1Store]: treesize reduction 250, result has 0.4 percent of original size [2021-11-23 01:45:07,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 143 treesize of output 68 [2021-11-23 01:45:08,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:08,071 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:45:08,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 98 treesize of output 36 [2021-11-23 01:45:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:45:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 95 states and 167 transitions. [2021-11-23 01:45:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 167 transitions. [2021-11-23 01:45:08,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:45:08,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:08,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:08,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:45:08,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:45:09,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:45:09,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:45:09,126 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-23 01:45:09,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2021-11-23 01:45:09,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 21 [2021-11-23 01:45:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 24 [2021-11-23 01:45:09,386 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-23 01:45:09,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 140 [2021-11-23 01:45:09,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 44 [2021-11-23 01:45:09,531 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-23 01:45:09,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:45:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:45:09,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 13 [2021-11-23 01:46:24,128 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-23 01:46:24,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:46:26,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:46:26,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:46:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:46:26,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:46:26,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:46:26,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:46:26,406 INFO L354 Elim1Store]: treesize reduction 127, result has 43.0 percent of original size [2021-11-23 01:46:26,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 159 treesize of output 174 [2021-11-23 01:46:27,960 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-23 01:46:27,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 36 [2021-11-23 01:46:28,009 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:48:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 96 states and 171 transitions. [2021-11-23 01:48:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 171 transitions. [2021-11-23 01:48:42,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:48:42,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:42,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:42,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:48:42,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:42,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:48:42,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:48:42,852 INFO L354 Elim1Store]: treesize reduction 168, result has 20.4 percent of original size [2021-11-23 01:48:42,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 105 [2021-11-23 01:48:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:42,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 7 [2021-11-23 01:48:43,302 INFO L354 Elim1Store]: treesize reduction 305, result has 19.7 percent of original size [2021-11-23 01:48:43,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 132 [2021-11-23 01:48:43,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 41 [2021-11-23 01:48:43,569 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-23 01:48:43,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:48:43,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:48:43,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 23 [2021-11-23 01:49:29,657 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-23 01:49:29,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:49:31,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:31,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:31,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:31,734 INFO L354 Elim1Store]: treesize reduction 250, result has 0.4 percent of original size [2021-11-23 01:49:31,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 155 treesize of output 54 [2021-11-23 01:49:33,520 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-23 01:49:33,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 36 [2021-11-23 01:49:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:49:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:33,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 97 states and 175 transitions. [2021-11-23 01:49:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 175 transitions. [2021-11-23 01:49:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:49:33,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:33,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:34,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:49:34,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:34,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-11-23 01:49:34,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 15 [2021-11-23 01:49:34,509 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-23 01:49:34,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2021-11-23 01:49:34,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:34,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 21 [2021-11-23 01:49:34,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:34,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 24 [2021-11-23 01:49:34,890 INFO L354 Elim1Store]: treesize reduction 305, result has 19.7 percent of original size [2021-11-23 01:49:34,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 132 [2021-11-23 01:49:34,944 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:49:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:34,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:34,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 44 [2021-11-23 01:49:35,239 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-23 01:49:35,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:49:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:35,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:35,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:35,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:35,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:49:35,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 39 [2021-11-23 01:50:42,739 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-23 01:50:42,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 154 treesize of output 292 [2021-11-23 01:50:44,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:44,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:44,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:44,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:44,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:44,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:44,443 INFO L354 Elim1Store]: treesize reduction 127, result has 43.0 percent of original size [2021-11-23 01:50:44,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 206 treesize of output 221 [2021-11-23 01:50:46,062 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-23 01:50:46,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 109 treesize of output 36 [2021-11-23 01:50:46,108 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:50:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 98 states and 179 transitions. [2021-11-23 01:50:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 179 transitions. [2021-11-23 01:50:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:50:46,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:46,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:50:46,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:46,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 25 treesize of output 21 [2021-11-23 01:50:46,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 23 treesize of output 19 [2021-11-23 01:50:47,001 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-23 01:50:47,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 91 [2021-11-23 01:50:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 21 [2021-11-23 01:50:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 24 [2021-11-23 01:50:47,383 INFO L354 Elim1Store]: treesize reduction 305, result has 19.7 percent of original size [2021-11-23 01:50:47,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 91 treesize of output 132 [2021-11-23 01:50:47,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:50:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 10 [2021-11-23 01:50:47,679 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-23 01:50:47,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 79 treesize of output 115 [2021-11-23 01:50:47,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:50:47,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 19