./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN --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-53f42b1 [2021-11-21 06:21:15,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:21:15,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:21:15,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:21:15,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:21:15,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:21:15,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:21:16,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:21:16,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:21:16,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:21:16,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:21:16,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:21:16,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:21:16,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:21:16,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:21:16,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:21:16,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:21:16,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:21:16,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:21:16,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:21:16,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:21:16,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:21:16,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:21:16,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:21:16,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:21:16,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:21:16,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:21:16,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:21:16,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:21:16,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:21:16,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:21:16,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:21:16,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:21:16,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:21:16,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:21:16,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:21:16,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:21:16,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:21:16,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:21:16,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:21:16,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:21:16,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:21:16,115 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:21:16,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:21:16,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:21:16,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:21:16,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:21:16,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:21:16,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:21:16,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:21:16,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:21:16,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:21:16,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:21:16,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:21:16,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:21:16,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:21:16,119 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:21:16,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:21:16,119 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:21:16,124 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:21:16,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:21:16,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:21:16,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:21:16,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:16,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:21:16,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:21:16,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:21:16,126 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:21:16,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:21:16,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:21:16,127 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_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2021-11-21 06:21:16,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:21:16,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:21:16,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:21:16,392 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:21:16,393 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:21:16,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-21 06:21:16,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/data/ff994c08b/9f7e2f748bf34c60814a3699da889ff4/FLAGd60a6db33 [2021-11-21 06:21:16,961 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:21:16,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-21 06:21:16,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/data/ff994c08b/9f7e2f748bf34c60814a3699da889ff4/FLAGd60a6db33 [2021-11-21 06:21:17,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/data/ff994c08b/9f7e2f748bf34c60814a3699da889ff4 [2021-11-21 06:21:17,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:21:17,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:21:17,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:17,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:21:17,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:21:17,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d43a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17, skipping insertion in model container [2021-11-21 06:21:17,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:21:17,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:21:17,512 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-21 06:21:17,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:17,543 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:21:17,555 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-21 06:21:17,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:17,593 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:21:17,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17 WrapperNode [2021-11-21 06:21:17,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:17,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:17,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:21:17,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:21:17,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,656 INFO L137 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2021-11-21 06:21:17,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:17,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:21:17,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:21:17,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:21:17,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:21:17,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:21:17,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:21:17,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:21:17,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:17" (1/1) ... [2021-11-21 06:21:17,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:17,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:21:17,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:21:17,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_096c0f83-6996-465c-a94d-91b630ef4a61/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:21:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-21 06:21:17,797 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-21 06:21:17,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:21:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 06:21:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 06:21:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:21:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:21:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:21:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:21:17,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:21:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:21:17,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:21:17,894 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:21:17,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:21:18,074 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:21:18,162 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:21:18,164 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-21 06:21:18,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:18 BoogieIcfgContainer [2021-11-21 06:21:18,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:21:18,174 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:21:18,174 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:21:18,195 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:21:18,196 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:18" (1/1) ... [2021-11-21 06:21:18,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:21:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-21 06:21:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-21 06:21:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:21:18,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:18,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:18,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:21:18,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:18,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-21 06:21:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-21 06:21:18,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:21:18,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:18,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:18,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:21:18,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:18,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:21:18,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-21 06:21:18,887 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-21 06:21:18,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 06:21:18,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:18,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:18,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 06:21:18,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:21:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-21 06:21:19,213 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-21 06:21:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:21:19,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 06:21:19,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:19,402 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:21:19,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2021-11-21 06:21:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-21 06:21:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-21 06:21:19,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-21 06:21:19,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:21:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2021-11-21 06:21:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-21 06:21:19,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:21:19,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:19,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:19,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-21 06:21:19,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:21:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2021-11-21 06:21:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-21 06:21:20,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:21:20,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:20,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:20,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 06:21:20,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:21:20,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2021-11-21 06:21:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-21 06:21:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 06:21:20,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:20,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:21,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 06:21:21,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:21,179 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-21 06:21:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2021-11-21 06:21:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-21 06:21:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:21:21,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:21,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:21,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:21:21,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:21,860 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:21:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2021-11-21 06:21:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-21 06:21:21,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:21:21,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:21,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:21,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-21 06:21:21,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:22,044 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:21:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:22,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2021-11-21 06:21:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2021-11-21 06:21:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:21:22,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:22,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:22,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 06:21:22,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:21:22,695 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 [2021-11-21 06:21:22,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-21 06:21:22,901 INFO L354 Elim1Store]: treesize reduction 132, result has 21.0 percent of original size [2021-11-21 06:21:22,902 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 [2021-11-21 06:21:22,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:22,959 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 [2021-11-21 06:21:23,372 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-21 06:21:23,372 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 [2021-11-21 06:21:23,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,434 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 [2021-11-21 06:21:23,669 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-21 06:21:23,670 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 [2021-11-21 06:21:23,713 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 06:21:23,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:21:23,743 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 [2021-11-21 06:22:29,387 INFO L354 Elim1Store]: treesize reduction 358, result has 39.3 percent of original size [2021-11-21 06:22:29,388 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 [2021-11-21 06:22:31,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,415 INFO L354 Elim1Store]: treesize reduction 12, result has 88.0 percent of original size [2021-11-21 06:22:31,416 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 [2021-11-21 06:22:31,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,573 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 [2021-11-21 06:22:31,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:22:31,687 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 [2021-11-21 06:23:55,829 INFO L354 Elim1Store]: treesize reduction 180, result has 37.1 percent of original size [2021-11-21 06:23:55,830 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 [2021-11-21 06:23:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:31:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:31:41,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 76 states and 153 transitions. [2021-11-21 06:31:41,269 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 153 transitions. [2021-11-21 06:31:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 06:31:41,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:31:41,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:31:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:31:41,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 06:31:41,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:31:41,688 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 [2021-11-21 06:31:41,699 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 [2021-11-21 06:31:41,844 INFO L354 Elim1Store]: treesize reduction 168, result has 20.4 percent of original size [2021-11-21 06:31:41,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 83 treesize of output 105 [2021-11-21 06:31:41,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:41,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 7 [2021-11-21 06:31:42,212 INFO L354 Elim1Store]: treesize reduction 337, result has 18.2 percent of original size [2021-11-21 06:31:42,213 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 [2021-11-21 06:31:42,255 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-21 06:31:42,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,289 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 [2021-11-21 06:31:42,413 INFO L354 Elim1Store]: treesize reduction 268, result has 18.0 percent of original size [2021-11-21 06:31:42,414 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 [2021-11-21 06:31:42,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:31:42,442 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 73 treesize of output 32 [2021-11-21 06:33:00,304 INFO L354 Elim1Store]: treesize reduction 358, result has 39.3 percent of original size [2021-11-21 06:33:00,304 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 [2021-11-21 06:33:02,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,512 INFO L354 Elim1Store]: treesize reduction 8, result has 92.0 percent of original size [2021-11-21 06:33:02,512 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 [2021-11-21 06:33:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 06:33:02,630 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 [2021-11-21 06:33:36,853 INFO L354 Elim1Store]: treesize reduction 180, result has 37.1 percent of original size [2021-11-21 06:33:36,854 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 [2021-11-21 06:33:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.