./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array15_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array15_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL --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 511c1484167d1d7d90ff27dae8a1569edd7c5a72fd917e4f05baeab770e0fcd4 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:12:41,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:12:41,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:12:41,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:12:41,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:12:41,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:12:41,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:12:41,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:12:41,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:12:41,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:12:41,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:12:41,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:12:41,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:12:41,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:12:41,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:12:41,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:12:41,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:12:41,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:12:41,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:12:41,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:12:41,536 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:12:41,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:12:41,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:12:41,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:12:41,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:12:41,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:12:41,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:12:41,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:12:41,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:12:41,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:12:41,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:12:41,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:12:41,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:12:41,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:12:41,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:12:41,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:12:41,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:12:41,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:12:41,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:12:41,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:12:41,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:12:41,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:12:41,584 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:12:41,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:12:41,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:12:41,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:12:41,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:12:41,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:12:41,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:12:41,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:12:41,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:12:41,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:12:41,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:12:41,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:12:41,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:12:41,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:12:41,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:12:41,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:12:41,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:12:41,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:12:41,590 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:12:41,590 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:12:41,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:12:41,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:12:41,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:12:41,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:12:41,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:12:41,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:12:41,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:12:41,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:12:41,592 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_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 511c1484167d1d7d90ff27dae8a1569edd7c5a72fd917e4f05baeab770e0fcd4 [2021-11-25 06:12:41,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:12:41,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:12:41,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:12:41,893 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:12:41,894 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:12:41,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-patterns/array15_pattern.c [2021-11-25 06:12:42,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/data/130d4fec3/6a6dede2efc84875a79c2977f2d255e8/FLAGe6b3252f7 [2021-11-25 06:12:42,474 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:12:42,474 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/sv-benchmarks/c/array-patterns/array15_pattern.c [2021-11-25 06:12:42,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/data/130d4fec3/6a6dede2efc84875a79c2977f2d255e8/FLAGe6b3252f7 [2021-11-25 06:12:42,856 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/data/130d4fec3/6a6dede2efc84875a79c2977f2d255e8 [2021-11-25 06:12:42,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:12:42,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:12:42,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:12:42,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:12:42,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:12:42,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:12:42" (1/1) ... [2021-11-25 06:12:42,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20363504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:42, skipping insertion in model container [2021-11-25 06:12:42,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:12:42" (1/1) ... [2021-11-25 06:12:42,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:12:42,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:12:43,083 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_d7da203b-9887-40bb-9dc4-728d40c18d76/sv-benchmarks/c/array-patterns/array15_pattern.c[1424,1437] [2021-11-25 06:12:43,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:12:43,113 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:12:43,126 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_d7da203b-9887-40bb-9dc4-728d40c18d76/sv-benchmarks/c/array-patterns/array15_pattern.c[1424,1437] [2021-11-25 06:12:43,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:12:43,151 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:12:43,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43 WrapperNode [2021-11-25 06:12:43,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:12:43,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:12:43,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:12:43,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:12:43,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,191 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2021-11-25 06:12:43,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:12:43,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:12:43,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:12:43,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:12:43,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:12:43,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:12:43,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:12:43,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:12:43,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:12:43,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:12:43,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:12:43,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7da203b-9887-40bb-9dc4-728d40c18d76/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:12:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:12:43,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 06:12:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 06:12:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:12:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:12:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:12:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:12:43,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:12:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:12:43,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:12:43,368 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:12:43,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:12:43,594 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:12:43,689 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:12:43,689 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 06:12:43,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:12:43 BoogieIcfgContainer [2021-11-25 06:12:43,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:12:43,693 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:12:43,693 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:12:43,703 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:12:43,704 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:12:43" (1/1) ... [2021-11-25 06:12:43,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:12:43,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2021-11-25 06:12:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2021-11-25 06:12:43,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:12:43,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:43,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:43,983 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:12:43,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:12:44,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:44,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2021-11-25 06:12:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-25 06:12:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:12:44,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:44,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:44,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:12:44,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:12:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:44,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-25 06:12:44,426 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-25 06:12:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:12:44,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:44,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:44,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:12:44,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:12:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-25 06:12:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-25 06:12:44,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:12:44,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:44,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:44,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:12:44,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:12:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:44,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-25 06:12:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-25 06:12:44,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:12:44,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:44,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:45,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:12:45,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:45,108 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:12:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-25 06:12:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-25 06:12:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:12:45,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:45,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:12:45,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:45,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 36 treesize of output 31 [2021-11-25 06:12:45,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 29 treesize of output 29 [2021-11-25 06:12:46,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 159 treesize of output 148 [2021-11-25 06:12:46,065 INFO L354 Elim1Store]: treesize reduction 334, result has 2.1 percent of original size [2021-11-25 06:12:46,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 7 case distinctions, treesize of input 147 treesize of output 127 [2021-11-25 06:12:46,159 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 31 treesize of output 16 [2021-11-25 06:12:46,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 39 treesize of output 27 [2021-11-25 06:12:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:12:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2021-11-25 06:12:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2021-11-25 06:12:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:12:48,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:48,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:48,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:48,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:12:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2021-11-25 06:12:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2021-11-25 06:12:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:12:49,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:49,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:49,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:49,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:12:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2021-11-25 06:12:50,003 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2021-11-25 06:12:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:12:50,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:50,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:50,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:50,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:12:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2021-11-25 06:12:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2021-11-25 06:12:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:12:50,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:50,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:50,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:50,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:50,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:12:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2021-11-25 06:12:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2021-11-25 06:12:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:12:51,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:51,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:51,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:51,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:12:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2021-11-25 06:12:52,179 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2021-11-25 06:12:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:12:52,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:52,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:52,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:52,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 06:12:53,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:53,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 61 states and 104 transitions. [2021-11-25 06:12:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 104 transitions. [2021-11-25 06:12:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:12:53,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:53,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:53,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:53,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:54,039 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:12:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 65 states and 110 transitions. [2021-11-25 06:12:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 110 transitions. [2021-11-25 06:12:54,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:12:54,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:54,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:54,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:12:54,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:12:55,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:12:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 84 transitions. [2021-11-25 06:12:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 84 transitions. [2021-11-25 06:12:55,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:12:55,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:12:55,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:12:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:12:55,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 63 conjunts are in the unsatisfiable core [2021-11-25 06:12:55,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:12:55,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 62 treesize of output 57 [2021-11-25 06:12:55,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 21 [2021-11-25 06:12:55,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2021-11-25 06:12:55,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 73 treesize of output 66 [2021-11-25 06:12:55,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:55,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:55,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:12:55,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 89 [2021-11-25 06:12:55,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:55,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 24 [2021-11-25 06:12:56,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 78 treesize of output 69 [2021-11-25 06:12:56,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 90 [2021-11-25 06:12:56,291 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:12:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 54 treesize of output 26 [2021-11-25 06:12:56,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 79 treesize of output 68 [2021-11-25 06:12:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 103 [2021-11-25 06:12:56,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:56,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 30 [2021-11-25 06:12:57,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 191 treesize of output 174 [2021-11-25 06:12:57,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:57,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:57,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:57,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:57,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:57,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,136 INFO L354 Elim1Store]: treesize reduction 508, result has 41.5 percent of original size [2021-11-25 06:12:58,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 173 treesize of output 486 [2021-11-25 06:12:58,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,315 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:12:58,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 146 treesize of output 207 [2021-11-25 06:12:58,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:12:58,630 INFO L244 Elim1Store]: Index analysis took 119 ms [2021-11-25 06:12:58,882 INFO L354 Elim1Store]: treesize reduction 53, result has 72.3 percent of original size [2021-11-25 06:12:58,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 162 treesize of output 248 [2021-11-25 06:13:57,460 WARN L227 SmtUtils]: Spent 10.05s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 06:13:58,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:13:58,629 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:13:58,630 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 273 treesize of output 297 [2021-11-25 06:14:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:14:23,283 WARN L227 SmtUtils]: Spent 7.00s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 06:14:38,833 WARN L227 SmtUtils]: Spent 11.98s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-25 06:14:43,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:14:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 78 states and 153 transitions. [2021-11-25 06:14:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2021-11-25 06:14:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:14:43,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:14:43,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:14:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:14:43,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 69 conjunts are in the unsatisfiable core [2021-11-25 06:14:43,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:14:43,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 62 treesize of output 57 [2021-11-25 06:14:43,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 22 treesize of output 21 [2021-11-25 06:14:43,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 20 treesize of output 19 [2021-11-25 06:14:44,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 73 treesize of output 66 [2021-11-25 06:14:44,115 INFO L354 Elim1Store]: treesize reduction 128, result has 19.5 percent of original size [2021-11-25 06:14:44,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 65 treesize of output 87 [2021-11-25 06:14:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:44,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 42 treesize of output 19 [2021-11-25 06:14:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:44,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 24 [2021-11-25 06:14:44,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 93 treesize of output 84 [2021-11-25 06:14:44,980 INFO L354 Elim1Store]: treesize reduction 311, result has 18.6 percent of original size [2021-11-25 06:14:44,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 83 treesize of output 128 [2021-11-25 06:14:44,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:44,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 65 treesize of output 24 [2021-11-25 06:14:45,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 79 treesize of output 68 [2021-11-25 06:14:45,312 INFO L354 Elim1Store]: treesize reduction 256, result has 15.5 percent of original size [2021-11-25 06:14:45,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 67 treesize of output 103 [2021-11-25 06:14:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:14:45,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 57 treesize of output 26 [2021-11-25 06:18:40,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 191 treesize of output 174 [2021-11-25 06:18:40,761 INFO L354 Elim1Store]: treesize reduction 804, result has 16.4 percent of original size [2021-11-25 06:18:40,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 173 treesize of output 283 [2021-11-25 06:18:43,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:18:43,474 INFO L354 Elim1Store]: treesize reduction 25, result has 44.4 percent of original size [2021-11-25 06:18:43,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 87 treesize of output 69 [2021-11-25 06:20:02,773 INFO L354 Elim1Store]: treesize reduction 522, result has 1.3 percent of original size [2021-11-25 06:20:02,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 212 treesize of output 84 [2021-11-25 06:20:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.