./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array11_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_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/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_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array11_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/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_7cdb642f-f4ea-4a13-be93-691e02fa16ed/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 c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:37:59,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:37:59,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:37:59,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:37:59,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:37:59,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:37:59,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:37:59,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:37:59,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:37:59,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:37:59,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:37:59,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:37:59,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:37:59,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:37:59,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:37:59,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:37:59,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:37:59,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:37:59,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:37:59,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:37:59,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:37:59,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:37:59,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:37:59,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:37:59,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:37:59,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:37:59,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:37:59,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:37:59,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:37:59,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:37:59,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:37:59,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:37:59,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:37:59,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:37:59,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:37:59,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:37:59,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:37:59,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:37:59,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:37:59,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:37:59,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:37:59,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:37:59,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:37:59,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:37:59,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:37:59,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:37:59,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:37:59,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:37:59,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:37:59,504 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:37:59,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:37:59,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:37:59,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:37:59,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:37:59,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:37:59,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:37:59,505 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:37:59,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:37:59,506 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:37:59,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:37:59,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:37:59,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:37:59,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:37:59,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:37:59,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:37:59,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:37:59,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:37:59,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:37:59,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:37:59,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:37:59,508 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_7cdb642f-f4ea-4a13-be93-691e02fa16ed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ac08a3f6fb5579b9b2ae158efc8988dd3312e617d74223198803ffe0b335cb [2021-11-13 23:37:59,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:37:59,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:37:59,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:37:59,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:37:59,816 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:37:59,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/array-patterns/array11_pattern.c [2021-11-13 23:37:59,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/data/64db37c6e/ff62579c1b004923a42109b92e55d6c8/FLAGf86b0a00a [2021-11-13 23:38:00,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:38:00,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/sv-benchmarks/c/array-patterns/array11_pattern.c [2021-11-13 23:38:00,490 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/data/64db37c6e/ff62579c1b004923a42109b92e55d6c8/FLAGf86b0a00a [2021-11-13 23:38:00,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/data/64db37c6e/ff62579c1b004923a42109b92e55d6c8 [2021-11-13 23:38:00,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:38:00,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:38:00,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:38:00,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:38:00,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:38:00,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:00" (1/1) ... [2021-11-13 23:38:00,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed4ca6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:00, skipping insertion in model container [2021-11-13 23:38:00,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:00" (1/1) ... [2021-11-13 23:38:00,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:38:00,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:38:01,090 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_7cdb642f-f4ea-4a13-be93-691e02fa16ed/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2021-11-13 23:38:01,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:38:01,120 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:38:01,131 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_7cdb642f-f4ea-4a13-be93-691e02fa16ed/sv-benchmarks/c/array-patterns/array11_pattern.c[1357,1370] [2021-11-13 23:38:01,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:38:01,157 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:38:01,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01 WrapperNode [2021-11-13 23:38:01,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:38:01,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:38:01,160 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:38:01,160 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:38:01,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:38:01,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:38:01,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:38:01,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:38:01,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:38:01,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:38:01,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:38:01,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:38:01,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:38:01,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:38:01,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:38:01,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cdb642f-f4ea-4a13-be93-691e02fa16ed/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:38:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 23:38:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 23:38:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:38:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:38:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:38:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:38:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:38:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:38:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:38:01,720 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:38:01,720 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 23:38:01,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:01 BoogieIcfgContainer [2021-11-13 23:38:01,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:38:01,724 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:38:01,725 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:38:01,736 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:38:01,736 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:01" (1/1) ... [2021-11-13 23:38:01,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:38:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:01,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 23:38:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 23:38:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:38:01,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:01,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:02,065 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 23:38:02,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:02,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2021-11-13 23:38:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-13 23:38:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:38:02,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:02,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:02,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:38:02,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:02,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:38:02,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 26 transitions. [2021-11-13 23:38:02,472 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-13 23:38:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 23:38:02,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:02,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 23:38:02,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:38:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:38:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 40 transitions. [2021-11-13 23:38:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2021-11-13 23:38:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:38:03,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:38:03,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:38:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:38:03,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-13 23:38:03,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:38:03,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-13 23:38:03,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-13 23:38:04,832 INFO L354 Elim1Store]: treesize reduction 284, result has 9.3 percent of original size [2021-11-13 23:38:04,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 304 treesize of output 246 [2021-11-13 23:38:05,186 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:05,280 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-13 23:38:05,362 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 53 treesize of output 29 [2021-11-13 23:38:05,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:05,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 82 [2021-11-13 23:38:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 23:38:05,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 29