./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ --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 22448626353835b24dede83f92858a925e988e04b05430a9ca91763be927cf92 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:24:09,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:24:09,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:24:09,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:24:09,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:24:09,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:24:09,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:24:09,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:24:09,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:24:09,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:24:09,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:24:09,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:24:09,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:24:09,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:24:09,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:24:09,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:24:09,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:24:09,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:24:09,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:24:09,585 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:24:09,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:24:09,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:24:09,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:24:09,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:24:09,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:24:09,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:24:09,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:24:09,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:24:09,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:24:09,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:24:09,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:24:09,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:24:09,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:24:09,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:24:09,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:24:09,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:24:09,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:24:09,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:24:09,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:24:09,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:24:09,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:24:09,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:24:09,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:24:09,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:24:09,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:24:09,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:24:09,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:24:09,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:24:09,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:24:09,682 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:24:09,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:24:09,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:24:09,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:24:09,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:24:09,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:24:09,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:24:09,685 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:24:09,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:24:09,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:24:09,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:24:09,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:24:09,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:24:09,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:24:09,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:09,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:24:09,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:24:09,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:24:09,688 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:24:09,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:24:09,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:24:09,688 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_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22448626353835b24dede83f92858a925e988e04b05430a9ca91763be927cf92 [2021-11-23 01:24:09,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:24:10,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:24:10,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:24:10,016 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:24:10,017 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:24:10,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/indp2.c [2021-11-23 01:24:10,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/data/617b8ead1/76e92c08d67f4e47bb568ca06a2cfba9/FLAG06551083d [2021-11-23 01:24:10,648 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:24:10,651 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/sv-benchmarks/c/array-fpi/indp2.c [2021-11-23 01:24:10,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/data/617b8ead1/76e92c08d67f4e47bb568ca06a2cfba9/FLAG06551083d [2021-11-23 01:24:11,031 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/data/617b8ead1/76e92c08d67f4e47bb568ca06a2cfba9 [2021-11-23 01:24:11,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:24:11,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:24:11,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:11,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:24:11,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:24:11,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb80546 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11, skipping insertion in model container [2021-11-23 01:24:11,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:24:11,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:24:11,192 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_4e69c801-ddec-4c39-90ef-bd6a183042b4/sv-benchmarks/c/array-fpi/indp2.c[588,601] [2021-11-23 01:24:11,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:11,214 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:24:11,226 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_4e69c801-ddec-4c39-90ef-bd6a183042b4/sv-benchmarks/c/array-fpi/indp2.c[588,601] [2021-11-23 01:24:11,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:11,246 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:24:11,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11 WrapperNode [2021-11-23 01:24:11,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:11,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:11,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:24:11,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:24:11,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,281 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-11-23 01:24:11,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:11,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:24:11,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:24:11,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:24:11,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:24:11,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:24:11,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:24:11,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:24:11,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:11,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:24:11,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:24:11,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e69c801-ddec-4c39-90ef-bd6a183042b4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:24:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:24:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:24:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:24:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:24:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:24:11,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:24:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:24:11,465 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:24:11,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:24:11,616 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:24:11,656 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:24:11,656 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:24:11,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:11 BoogieIcfgContainer [2021-11-23 01:24:11,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:24:11,660 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:24:11,660 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:24:11,671 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:24:11,671 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:11" (1/1) ... [2021-11-23 01:24:11,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:24:11,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:24:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:24:11,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:24:11,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:12,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:24:12,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:24:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:24:12,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:24:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:24:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:24:12,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:24:12,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:24:12,465 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:24:12,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:24:12,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 01:24:12,614 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 25 treesize of output 13 [2021-11-23 01:24:12,644 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 27 treesize of output 15 [2021-11-23 01:24:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2021-11-23 01:24:13,403 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2021-11-23 01:24:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:24:13,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:13,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:24:13,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:13,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:24:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2021-11-23 01:24:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2021-11-23 01:24:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:24:14,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:14,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:24:14,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-11-23 01:24:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-11-23 01:24:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:24:15,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:15,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:15,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:24:15,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:24:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:15,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2021-11-23 01:24:15,686 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2021-11-23 01:24:15,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:24:15,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:15,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:15,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:24:15,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:15,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:24:15,920 INFO L354 Elim1Store]: treesize reduction 58, result has 13.4 percent of original size [2021-11-23 01:24:15,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:24:15,982 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 31 treesize of output 15 [2021-11-23 01:24:16,122 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-23 01:24:16,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 24 [2021-11-23 01:24:16,182 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 33 treesize of output 17 [2021-11-23 01:24:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:18,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-23 01:24:18,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-23 01:24:18,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:24:18,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:18,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:18,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:24:18,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:24:23,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:23,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2021-11-23 01:24:23,010 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2021-11-23 01:24:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:23,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:23,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:23,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:24:23,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:24:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2021-11-23 01:24:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-11-23 01:24:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:24:24,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:24,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:24:24,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:24,132 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:24:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 68 transitions. [2021-11-23 01:24:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 68 transitions. [2021-11-23 01:24:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:24,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:24,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:24,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:24:24,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:24,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:24:24,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:24,838 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:24,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:24:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:24,969 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:24,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:24:25,086 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 31 treesize of output 15 [2021-11-23 01:24:25,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:25,327 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:25,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2021-11-23 01:24:25,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:25,426 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:25,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:24:25,524 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 33 treesize of output 17 [2021-11-23 01:24:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:32,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2021-11-23 01:24:32,535 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2021-11-23 01:24:32,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:24:32,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:32,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:32,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:32,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:33,330 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:24:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:41,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2021-11-23 01:24:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2021-11-23 01:24:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:41,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:41,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:41,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:24:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 75 states and 104 transitions. [2021-11-23 01:24:43,448 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-11-23 01:24:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:24:43,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:43,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:43,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:43,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 01:24:44,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:44,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 105 transitions. [2021-11-23 01:24:44,036 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2021-11-23 01:24:44,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:24:44,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:44,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:44,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:24:44,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:44,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:24:44,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:44,592 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:44,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:24:44,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:44,741 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:44,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:24:44,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:44,892 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:44,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:24:45,045 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 31 treesize of output 15 [2021-11-23 01:24:45,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:45,386 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:45,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2021-11-23 01:24:45,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:45,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:45,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:24:45,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:45,705 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:24:45,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:24:45,861 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 33 treesize of output 17 [2021-11-23 01:24:46,836 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:00,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2021-11-23 01:25:00,633 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2021-11-23 01:25:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:25:00,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:25:00,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:25:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:19,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2021-11-23 01:25:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2021-11-23 01:25:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:25:19,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:19,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:19,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:25:19,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:20,299 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:25:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 111 states and 151 transitions. [2021-11-23 01:25:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2021-11-23 01:25:22,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:25:22,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:22,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:25:22,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-23 01:25:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 112 states and 152 transitions. [2021-11-23 01:25:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2021-11-23 01:25:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:25:23,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:23,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:23,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:25:23,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:24,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:25:24,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:24,590 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:24,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:25:24,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:24,826 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:24,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:25:25,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:25,063 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:25,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:25:25,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:25,336 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:25,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:25:25,643 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 31 treesize of output 15 [2021-11-23 01:25:26,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:26,207 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:26,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:25:26,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:26,449 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:26,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:25:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:26,695 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:26,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:25:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:26,951 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:25:26,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:25:27,223 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 33 treesize of output 17 [2021-11-23 01:25:28,743 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 125 states and 170 transitions. [2021-11-23 01:25:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 170 transitions. [2021-11-23 01:25:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:56,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:56,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:56,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:25:56,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:26:34,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 154 states and 208 transitions. [2021-11-23 01:26:34,236 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 208 transitions. [2021-11-23 01:26:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:26:34,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:26:34,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:26:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 155 states and 208 transitions. [2021-11-23 01:26:41,285 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 208 transitions. [2021-11-23 01:26:41,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:26:41,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,430 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-11-23 01:26:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 156 states and 209 transitions. [2021-11-23 01:26:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2021-11-23 01:26:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:42,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:43,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:26:44,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,182 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:44,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-23 01:26:44,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,521 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:44,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:26:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:44,869 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:44,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:26:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:45,209 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:45,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:26:45,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:45,542 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:45,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:26:45,890 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 31 treesize of output 15 [2021-11-23 01:26:46,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:46,710 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:46,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2021-11-23 01:26:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,054 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:47,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:26:47,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,396 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:47,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:26:47,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:47,777 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:47,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:26:48,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:26:48,126 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:26:48,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:26:48,471 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 33 treesize of output 17 [2021-11-23 01:26:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:27:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 172 states and 231 transitions. [2021-11-23 01:27:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 231 transitions. [2021-11-23 01:27:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:27:48,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:48,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:27:48,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:52,620 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 57 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:29:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 206 states and 275 transitions. [2021-11-23 01:29:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 275 transitions. [2021-11-23 01:29:00,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:29:00,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:00,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:00,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:29:00,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 01:29:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 207 states and 275 transitions. [2021-11-23 01:29:13,919 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 275 transitions. [2021-11-23 01:29:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:29:13,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:13,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:13,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:29:13,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-23 01:29:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 208 states and 276 transitions. [2021-11-23 01:29:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 276 transitions. [2021-11-23 01:29:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:29:16,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:16,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:16,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 78 conjunts are in the unsatisfiable core [2021-11-23 01:29:16,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:17,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:29:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:18,529 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:18,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-23 01:29:19,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:19,039 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:19,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:29:19,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:19,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:19,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:29:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:20,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:20,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:29:20,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:20,638 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:20,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:29:21,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:21,160 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:21,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:29:21,666 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 31 treesize of output 15 [2021-11-23 01:29:22,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:22,942 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:22,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:29:23,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:23,455 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:23,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:29:23,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:23,966 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:23,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:29:24,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:24,649 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:24,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:29:25,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:25,149 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:25,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:29:25,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:29:25,659 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:29:25,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:29:26,176 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 33 treesize of output 17 [2021-11-23 01:29:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:18,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 227 states and 302 transitions. [2021-11-23 01:31:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 302 transitions. [2021-11-23 01:31:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:31:18,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:18,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:18,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:31:18,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:33:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 266 states and 352 transitions. [2021-11-23 01:33:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 352 transitions. [2021-11-23 01:33:30,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:33:30,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:30,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:30,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:30,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:37,516 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-23 01:33:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 267 states and 352 transitions. [2021-11-23 01:33:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 352 transitions. [2021-11-23 01:33:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:33:51,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:51,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:51,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:33:51,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-23 01:33:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 268 states and 353 transitions. [2021-11-23 01:33:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 353 transitions. [2021-11-23 01:33:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:33:55,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:55,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:55,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 88 conjunts are in the unsatisfiable core [2021-11-23 01:33:55,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:56,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-23 01:33:58,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:58,171 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:33:58,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-23 01:33:59,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:59,039 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:33:59,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:33:59,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:33:59,767 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:33:59,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:34:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:00,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:00,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:34:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:01,216 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:01,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:34:02,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:02,090 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:02,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 35 [2021-11-23 01:34:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:02,804 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:02,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:34:03,535 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 31 treesize of output 15 [2021-11-23 01:34:05,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:05,343 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:05,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2021-11-23 01:34:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:06,069 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:06,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:34:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:06,811 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:06,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:34:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:07,569 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:07,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:34:08,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:08,347 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:08,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:34:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:09,117 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:09,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 26 [2021-11-23 01:34:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:34:10,013 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:34:10,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-23 01:34:10,756 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 33 treesize of output 17 [2021-11-23 01:34:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.