./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array24_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e --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-63182f1 [2021-11-13 23:36:36,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:36:36,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:36:36,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:36:36,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:36:36,978 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:36:36,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:36:36,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:36:36,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:36:36,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:36:36,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:36:36,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:36:36,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:36:37,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:36:37,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:36:37,005 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:36:37,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:36:37,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:36:37,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:36:37,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:36:37,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:36:37,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:36:37,019 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:36:37,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:36:37,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:36:37,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:36:37,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:36:37,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:36:37,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:36:37,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:36:37,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:36:37,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:36:37,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:36:37,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:36:37,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:36:37,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:36:37,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:36:37,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:36:37,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:36:37,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:36:37,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:36:37,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:36:37,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:36:37,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:36:37,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:36:37,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:36:37,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:36:37,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:36:37,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:36:37,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:36:37,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:36:37,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:36:37,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:36:37,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:36:37,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:36:37,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:36:37,097 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:36:37,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:36:37,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:36:37,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:36:37,098 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:36:37,098 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:36:37,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:36:37,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:36:37,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:36:37,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:36:37,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:36:37,100 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:36:37,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:36:37,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:36:37,100 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_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b41c571dabcbc4670dde65107f8da5b879f13435b678b4e9a9cdcc7ef0066cf6 [2021-11-13 23:36:37,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:36:37,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:36:37,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:36:37,419 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:36:37,420 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:36:37,421 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array24_pattern.c [2021-11-13 23:36:37,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/data/97c3459e3/996f5d464de2460b9f5f008c78fccec9/FLAG2c7fafdc6 [2021-11-13 23:36:38,065 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:36:38,069 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/sv-benchmarks/c/array-patterns/array24_pattern.c [2021-11-13 23:36:38,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/data/97c3459e3/996f5d464de2460b9f5f008c78fccec9/FLAG2c7fafdc6 [2021-11-13 23:36:38,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/data/97c3459e3/996f5d464de2460b9f5f008c78fccec9 [2021-11-13 23:36:38,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:36:38,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:36:38,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:36:38,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:36:38,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:36:38,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@188927f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38, skipping insertion in model container [2021-11-13 23:36:38,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:36:38,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:36:38,674 WARN L228 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_00835880-0de1-43ab-b130-40476dfc6eec/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2021-11-13 23:36:38,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:36:38,702 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:36:38,714 WARN L228 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_00835880-0de1-43ab-b130-40476dfc6eec/sv-benchmarks/c/array-patterns/array24_pattern.c[1359,1372] [2021-11-13 23:36:38,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:36:38,741 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:36:38,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38 WrapperNode [2021-11-13 23:36:38,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:36:38,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:36:38,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:36:38,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:36:38,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:36:38,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:36:38,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:36:38,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:36:38,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:36:38,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:36:38,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:36:38,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:36:38,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:36:38" (1/1) ... [2021-11-13 23:36:38,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:36:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:36:38,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:36:38,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00835880-0de1-43ab-b130-40476dfc6eec/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:36:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-13 23:36:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-13 23:36:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 23:36:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 23:36:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:36:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:36:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:36:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:36:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:36:38,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:36:38,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:36:39,452 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:36:39,456 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 23:36:39,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:39 BoogieIcfgContainer [2021-11-13 23:36:39,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:36:39,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:36:39,461 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:36:39,473 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:36:39,474 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:36:39" (1/1) ... [2021-11-13 23:36:39,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:36:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:39,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-13 23:36:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-13 23:36:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:36:39,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:39,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:39,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:36:39,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:36:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-13 23:36:39,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-13 23:36:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:36:39,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:39,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:39,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:36:39,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:40,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:36:40,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:40,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-13 23:36:40,173 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-13 23:36:40,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:36:40,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:40,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:40,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:36:40,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:36:40,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-13 23:36:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-13 23:36:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:36:40,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:40,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:40,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:36:40,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:40,720 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:36:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2021-11-13 23:36:40,966 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-13 23:36:40,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:36:40,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:40,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:41,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:36:41,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:36:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2021-11-13 23:36:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-13 23:36:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:36:41,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:41,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:41,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:36:41,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:36:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:41,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2021-11-13 23:36:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-13 23:36:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:36:41,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:41,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:41,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:36:41,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:36:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2021-11-13 23:36:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-13 23:36:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:36:42,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:42,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:42,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:36:42,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:36:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2021-11-13 23:36:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-13 23:36:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:36:43,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:43,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:43,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:36:43,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:36:43,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:43,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2021-11-13 23:36:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-13 23:36:43,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:36:43,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:43,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:43,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:36:43,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:36:44,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2021-11-13 23:36:44,003 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2021-11-13 23:36:44,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:36:44,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:44,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:44,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-13 23:36:44,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:44,426 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 [2021-11-13 23:36:44,437 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 [2021-11-13 23:36:44,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:44,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:44,640 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 [2021-11-13 23:36:44,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:44,702 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 [2021-11-13 23:36:45,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,088 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:36:45,089 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 [2021-11-13 23:36:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,167 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 [2021-11-13 23:36:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,349 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:36:45,350 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 [2021-11-13 23:36:45,395 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:36:45,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:45,429 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 [2021-11-13 23:36:46,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:46,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:46,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:47,106 INFO L354 Elim1Store]: treesize reduction 705, result has 22.4 percent of original size [2021-11-13 23:36:47,106 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 [2021-11-13 23:36:48,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:48,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:48,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:48,194 INFO L354 Elim1Store]: treesize reduction 250, result has 0.4 percent of original size [2021-11-13 23:36:48,195 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 89 [2021-11-13 23:36:49,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:49,451 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:36:49,451 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 [2021-11-13 23:36:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:36:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:36:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 127 transitions. [2021-11-13 23:36:57,225 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 127 transitions. [2021-11-13 23:36:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:36:57,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:36:57,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:36:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:36:57,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-13 23:36:57,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:36:57,538 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 [2021-11-13 23:36:57,546 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 [2021-11-13 23:36:57,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:57,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:57,778 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 [2021-11-13 23:36:57,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:57,815 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 [2021-11-13 23:36:57,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:57,849 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 [2021-11-13 23:36:58,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:36:58,145 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 [2021-11-13 23:36:58,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,204 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 [2021-11-13 23:36:58,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,258 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:36:58,259 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 [2021-11-13 23:36:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:58,285 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 [2021-11-13 23:36:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:59,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:59,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:59,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:36:59,885 INFO L354 Elim1Store]: treesize reduction 705, result has 22.4 percent of original size [2021-11-13 23:36:59,885 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 [2021-11-13 23:37:01,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,041 INFO L354 Elim1Store]: treesize reduction 280, result has 0.4 percent of original size [2021-11-13 23:37:01,042 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 [2021-11-13 23:37:01,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:01,904 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:37:01,904 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 [2021-11-13 23:37:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:37:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:37:02,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 129 transitions. [2021-11-13 23:37:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2021-11-13 23:37:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:37:02,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:37:02,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:37:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:37:02,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-13 23:37:02,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:37:03,120 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 [2021-11-13 23:37:03,133 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 [2021-11-13 23:37:03,344 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-13 23:37:03,344 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 [2021-11-13 23:37:03,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:03,363 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 [2021-11-13 23:37:03,946 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-13 23:37:03,947 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 [2021-11-13 23:37:03,996 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:37:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,023 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 [2021-11-13 23:37:04,264 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 23:37:04,264 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 [2021-11-13 23:37:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:37:04,332 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 [2021-11-13 23:38:16,941 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-13 23:38:16,942 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 [2021-11-13 23:38:17,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:17,739 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:17,991 INFO L354 Elim1Store]: treesize reduction 220, result has 30.4 percent of original size [2021-11-13 23:38:17,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 326 treesize of output 324 [2021-11-13 23:38:20,835 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-13 23:38:20,835 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 [2021-11-13 23:38:20,898 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:40:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 89 states and 152 transitions. [2021-11-13 23:40:13,378 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 152 transitions. [2021-11-13 23:40:13,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:40:13,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:13,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:13,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-13 23:40:13,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:13,695 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 [2021-11-13 23:40:13,705 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 [2021-11-13 23:40:13,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:13,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:13,764 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 [2021-11-13 23:40:13,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:13,792 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 34 treesize of output 7 [2021-11-13 23:40:14,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,335 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:14,335 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 [2021-11-13 23:40:14,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,367 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 [2021-11-13 23:40:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,599 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:14,599 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 [2021-11-13 23:40:14,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:14,637 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 48 treesize of output 17 [2021-11-13 23:40:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:17,379 INFO L354 Elim1Store]: treesize reduction 705, result has 22.4 percent of original size [2021-11-13 23:40:17,379 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 [2021-11-13 23:40:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:18,718 INFO L354 Elim1Store]: treesize reduction 280, result has 0.4 percent of original size [2021-11-13 23:40:18,718 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 166 treesize of output 55 [2021-11-13 23:40:19,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:19,994 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:40:19,995 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 [2021-11-13 23:40:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:40:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:40:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 154 transitions. [2021-11-13 23:40:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 154 transitions. [2021-11-13 23:40:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:40:20,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:40:20,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:40:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:40:20,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:40:20,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:40:21,298 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 [2021-11-13 23:40:21,309 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 [2021-11-13 23:40:21,736 INFO L354 Elim1Store]: treesize reduction 120, result has 20.5 percent of original size [2021-11-13 23:40:21,736 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 71 treesize of output 87 [2021-11-13 23:40:21,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:21,777 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 46 treesize of output 19 [2021-11-13 23:40:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:21,827 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 59 treesize of output 22 [2021-11-13 23:40:22,424 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-13 23:40:22,425 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 [2021-11-13 23:40:22,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,475 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 [2021-11-13 23:40:22,627 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 23:40:22,628 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 [2021-11-13 23:40:22,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:40:22,731 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 [2021-11-13 23:41:41,033 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-13 23:41:41,034 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 [2021-11-13 23:41:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:42,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:42,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:42,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:41:43,062 INFO L354 Elim1Store]: treesize reduction 127, result has 43.0 percent of original size [2021-11-13 23:41:43,063 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 211 treesize of output 243 [2021-11-13 23:41:44,577 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-13 23:41:44,578 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 [2021-11-13 23:41:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:42:42,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 92 states and 161 transitions. [2021-11-13 23:42:42,286 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 161 transitions. [2021-11-13 23:42:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:42:42,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:42,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:42,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-13 23:42:42,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:42:42,663 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 [2021-11-13 23:42:42,682 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 [2021-11-13 23:42:42,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:42,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:42,723 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 [2021-11-13 23:42:42,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:42,767 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 [2021-11-13 23:42:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:43,871 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 70 treesize of output 90 [2021-11-13 23:42:43,921 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:42:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:43,971 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 49 treesize of output 19 [2021-11-13 23:42:44,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,567 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:44,567 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 [2021-11-13 23:42:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:44,605 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 [2021-11-13 23:42:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:51,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:51,423 INFO L354 Elim1Store]: treesize reduction 705, result has 22.4 percent of original size [2021-11-13 23:42:51,423 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 [2021-11-13 23:42:53,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:53,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:53,821 INFO L354 Elim1Store]: treesize reduction 274, result has 0.4 percent of original size [2021-11-13 23:42:53,822 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 55 [2021-11-13 23:42:59,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:42:59,348 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:42:59,349 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 [2021-11-13 23:42:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:43:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 107 states and 211 transitions. [2021-11-13 23:43:40,199 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 211 transitions. [2021-11-13 23:43:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:43:40,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:40,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:40,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-13 23:43:40,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:43:40,628 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 [2021-11-13 23:43:40,642 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 [2021-11-13 23:43:41,177 INFO L354 Elim1Store]: treesize reduction 120, result has 20.5 percent of original size [2021-11-13 23:43:41,177 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 71 treesize of output 87 [2021-11-13 23:43:41,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:41,210 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 44 treesize of output 19 [2021-11-13 23:43:41,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:41,262 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 61 treesize of output 22 [2021-11-13 23:43:42,062 INFO L354 Elim1Store]: treesize reduction 305, result has 19.7 percent of original size [2021-11-13 23:43:42,063 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 [2021-11-13 23:43:42,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,093 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 71 treesize of output 26 [2021-11-13 23:43:42,527 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 23:43:42,528 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 [2021-11-13 23:43:42,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:43:42,658 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 70 treesize of output 29 [2021-11-13 23:45:12,769 INFO L354 Elim1Store]: treesize reduction 895, result has 10.7 percent of original size [2021-11-13 23:45:12,769 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 166 treesize of output 207 [2021-11-13 23:45:12,886 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:45:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:45:13,077 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-13 23:45:13,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 57 [2021-11-13 23:45:14,887 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-13 23:45:14,888 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 [2021-11-13 23:45:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:46:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 109 states and 225 transitions. [2021-11-13 23:46:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 225 transitions. [2021-11-13 23:46:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:46:25,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:25,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:25,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-13 23:46:25,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:46:25,883 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 [2021-11-13 23:46:25,897 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 [2021-11-13 23:46:26,452 INFO L354 Elim1Store]: treesize reduction 120, result has 20.5 percent of original size [2021-11-13 23:46:26,452 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 71 treesize of output 87 [2021-11-13 23:46:26,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:26,482 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 44 treesize of output 19 [2021-11-13 23:46:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:26,531 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 61 treesize of output 22 [2021-11-13 23:46:27,593 INFO L354 Elim1Store]: treesize reduction 305, result has 19.7 percent of original size [2021-11-13 23:46:27,593 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 [2021-11-13 23:46:27,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:46:27,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:27,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:27,684 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 [2021-11-13 23:46:28,147 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 23:46:28,147 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 [2021-11-13 23:46:28,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:28,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:28,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:28,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:28,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:28,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:46:28,196 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 [2021-11-13 23:48:20,520 INFO L354 Elim1Store]: treesize reduction 798, result has 20.4 percent of original size [2021-11-13 23:48:20,521 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 [2021-11-13 23:48:22,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:22,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:22,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:22,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:22,981 INFO L354 Elim1Store]: treesize reduction 127, result has 43.0 percent of original size [2021-11-13 23:48:22,982 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 214 treesize of output 229 [2021-11-13 23:48:26,784 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-13 23:48:26,784 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 [2021-11-13 23:48:26,832 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:48:26,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:26,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 110 states and 230 transitions. [2021-11-13 23:48:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2021-11-13 23:48:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:48:26,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:26,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:27,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-13 23:48:27,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:48:27,327 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 [2021-11-13 23:48:27,336 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 [2021-11-13 23:48:27,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:27,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:27,763 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 [2021-11-13 23:48:27,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:27,783 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 34 treesize of output 7 [2021-11-13 23:48:28,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,210 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:48:28,210 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 [2021-11-13 23:48:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,248 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 [2021-11-13 23:48:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,501 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:48:28,502 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 [2021-11-13 23:48:28,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:28,634 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 59 treesize of output 22 [2021-11-13 23:48:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:39,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:39,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:39,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:39,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:40,636 INFO L354 Elim1Store]: treesize reduction 784, result has 13.8 percent of original size [2021-11-13 23:48:40,637 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 163 treesize of output 222 [2021-11-13 23:48:41,069 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:48:41,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:41,200 INFO L354 Elim1Store]: treesize reduction 167, result has 0.6 percent of original size [2021-11-13 23:48:41,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 159 treesize of output 65 [2021-11-13 23:48:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:42,949 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:48:42,950 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 [2021-11-13 23:48:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:48:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 112 states and 250 transitions. [2021-11-13 23:48:56,366 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 250 transitions. [2021-11-13 23:48:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:48:56,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:56,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:56,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-13 23:48:56,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:48:56,574 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 [2021-11-13 23:48:56,585 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 [2021-11-13 23:48:57,259 INFO L354 Elim1Store]: treesize reduction 120, result has 20.5 percent of original size [2021-11-13 23:48:57,260 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 71 treesize of output 87 [2021-11-13 23:48:57,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:57,279 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 46 treesize of output 19 [2021-11-13 23:48:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:57,330 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 59 treesize of output 22 [2021-11-13 23:48:58,372 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-13 23:48:58,373 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 [2021-11-13 23:48:58,406 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:48:58,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,439 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 [2021-11-13 23:48:58,646 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 23:48:58,646 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 [2021-11-13 23:48:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:48:58,781 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 58 treesize of output 27 [2021-11-13 23:50:09,634 INFO L354 Elim1Store]: treesize reduction 895, result has 10.7 percent of original size [2021-11-13 23:50:09,635 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 166 treesize of output 207 [2021-11-13 23:50:09,812 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:50:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:50:10,058 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-13 23:50:10,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 121 treesize of output 57 [2021-11-13 23:50:12,367 INFO L354 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2021-11-13 23:50:12,368 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 [2021-11-13 23:50:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.