./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/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_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/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_363d2221-7357-4b7e-a4ce-cd43e9c7785d/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 f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:21:49,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:21:49,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:21:49,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:21:49,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:21:49,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:21:49,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:21:49,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:21:49,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:21:49,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:21:49,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:21:49,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:21:49,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:21:49,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:21:49,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:21:49,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:21:49,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:21:49,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:21:49,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:21:49,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:21:49,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:21:49,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:21:49,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:21:49,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:21:49,365 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:21:49,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:21:49,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:21:49,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:21:49,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:21:49,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:21:49,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:21:49,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:21:49,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:21:49,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:21:49,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:21:49,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:21:49,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:21:49,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:21:49,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:21:49,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:21:49,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:21:49,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:21:49,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:21:49,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:21:49,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:21:49,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:21:49,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:21:49,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:21:49,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:21:49,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:21:49,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:21:49,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:21:49,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:21:49,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:21:49,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:21:49,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:21:49,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:21:49,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:21:49,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:21:49,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:21:49,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:21:49,434 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:21:49,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:21:49,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:21:49,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:21:49,435 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:21:49,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:21:49,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:21:49,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:21:49,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:21:49,436 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_363d2221-7357-4b7e-a4ce-cd43e9c7785d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2021-11-13 23:21:49,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:21:49,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:21:49,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:21:49,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:21:49,742 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:21:49,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-13 23:21:49,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/data/9de6a0ac9/d7194a63eb114b43bee6fa2138937bd3/FLAG0d8da1c0d [2021-11-13 23:21:50,328 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:21:50,329 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-13 23:21:50,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/data/9de6a0ac9/d7194a63eb114b43bee6fa2138937bd3/FLAG0d8da1c0d [2021-11-13 23:21:50,693 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/data/9de6a0ac9/d7194a63eb114b43bee6fa2138937bd3 [2021-11-13 23:21:50,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:21:50,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:21:50,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:21:50,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:21:50,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:21:50,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:50,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af86268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50, skipping insertion in model container [2021-11-13 23:21:50,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:50,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:21:50,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:21:50,883 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_363d2221-7357-4b7e-a4ce-cd43e9c7785d/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-13 23:21:50,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:21:50,916 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:21:50,927 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_363d2221-7357-4b7e-a4ce-cd43e9c7785d/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-13 23:21:50,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:21:50,961 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:21:50,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50 WrapperNode [2021-11-13 23:21:50,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:21:50,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:21:50,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:21:50,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:21:50,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:50,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:21:51,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:21:51,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:21:51,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:21:51,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:21:51,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:21:51,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:21:51,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:21:51,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:50" (1/1) ... [2021-11-13 23:21:51,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:21:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:21:51,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:21:51,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_363d2221-7357-4b7e-a4ce-cd43e9c7785d/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:21:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-13 23:21:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-13 23:21:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 23:21:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 23:21:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:21:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:21:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:21:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:21:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:21:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:21:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:21:51,585 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:21:51,586 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-13 23:21:51,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:51 BoogieIcfgContainer [2021-11-13 23:21:51,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:21:51,590 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:21:51,590 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:21:51,600 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:21:51,601 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:51" (1/1) ... [2021-11-13 23:21:51,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:21:51,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-13 23:21:51,678 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-13 23:21:51,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:21:51,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:51,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:51,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:21:51,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:51,918 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 23:21:51,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-13 23:21:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-13 23:21:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:21:51,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:51,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:52,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:21:52,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:52,150 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 23:21:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-13 23:21:52,215 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-13 23:21:52,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:21:52,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:52,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:52,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:21:52,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:52,476 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 23:21:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-13 23:21:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-13 23:21:52,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:21:52,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:52,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:52,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:21:52,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:52,796 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 23:21:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2021-11-13 23:21:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-13 23:21:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 23:21:53,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:53,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:53,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:21:53,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:53,189 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 23:21:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2021-11-13 23:21:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-13 23:21:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:21:53,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:53,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:53,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 23:21:53,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:53,372 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 23:21:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2021-11-13 23:21:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-13 23:21:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:21:53,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:53,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:53,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:21:53,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:53,828 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 23:21:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2021-11-13 23:21:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-13 23:21:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:21:54,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:54,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:54,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:21:54,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:54,606 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 23:21:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2021-11-13 23:21:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-13 23:21:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:21:55,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:55,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:55,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:21:55,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:55,324 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 23:21:55,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2021-11-13 23:21:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-13 23:21:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:21:55,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:55,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:55,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 23:21:55,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:55,524 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 23:21:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:21:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2021-11-13 23:21:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2021-11-13 23:21:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:21:55,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:21:55,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:21:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:21:56,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-13 23:21:56,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:21:56,672 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 23:21:56,690 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 23:21:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:56,877 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 23:21:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:56,938 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 23:21:57,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:21:57,334 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 23:21:57,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,396 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 23:21:57,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,582 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:21:57,583 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 23:21:57,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:21:57,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:57,657 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 23:21:59,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:59,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:59,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:59,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:59,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:59,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:21:59,269 INFO L354 Elim1Store]: treesize reduction 265, result has 46.7 percent of original size [2021-11-13 23:21:59,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 103 treesize of output 301 [2021-11-13 23:22:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,260 INFO L354 Elim1Store]: treesize reduction 12, result has 88.0 percent of original size [2021-11-13 23:22:01,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 109 treesize of output 148 [2021-11-13 23:22:01,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,400 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 100 treesize of output 58 [2021-11-13 23:22:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:01,495 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 102 treesize of output 58 [2021-11-13 23:22:05,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:05,302 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 23:22:05,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 187 treesize of output 217 [2021-11-13 23:22:05,740 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 23:22:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:22:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 76 states and 153 transitions. [2021-11-13 23:22:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 153 transitions. [2021-11-13 23:22:24,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:22:24,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:22:24,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:22:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:22:24,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-13 23:22:24,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:22:25,019 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 23:22:25,026 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 23:22:25,294 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-13 23:22:25,295 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 23:22:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:25,361 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 23:22:25,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:25,393 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 23:22:26,107 INFO L354 Elim1Store]: treesize reduction 190, result has 14.8 percent of original size [2021-11-13 23:22:26,108 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 78 treesize of output 98 [2021-11-13 23:22:26,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,130 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 42 treesize of output 14 [2021-11-13 23:22:26,497 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-13 23:22:26,497 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 23:22:26,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:22:26,534 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 23:27:50,081 INFO L354 Elim1Store]: treesize reduction 358, result has 39.3 percent of original size [2021-11-13 23:27:50,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 103 treesize of output 301 [2021-11-13 23:27:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:51,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:51,996 INFO L354 Elim1Store]: treesize reduction 8, result has 92.0 percent of original size [2021-11-13 23:27:51,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 125 treesize of output 168 [2021-11-13 23:27:52,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:52,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:52,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:52,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:52,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:52,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:27:52,124 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 100 treesize of output 58 [2021-11-13 23:29:07,196 INFO L354 Elim1Store]: treesize reduction 180, result has 37.1 percent of original size [2021-11-13 23:29:07,197 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 199 treesize of output 216 [2021-11-13 23:29:07,604 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.