./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/pr4.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_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/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_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/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_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/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 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:18:59,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:18:59,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:18:59,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:18:59,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:18:59,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:18:59,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:18:59,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:18:59,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:18:59,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:18:59,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:18:59,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:18:59,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:18:59,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:18:59,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:18:59,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:18:59,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:18:59,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:18:59,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:18:59,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:18:59,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:18:59,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:18:59,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:18:59,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:18:59,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:18:59,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:18:59,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:18:59,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:18:59,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:18:59,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:18:59,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:18:59,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:18:59,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:18:59,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:18:59,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:18:59,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:18:59,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:18:59,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:18:59,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:18:59,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:18:59,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:18:59,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:18:59,727 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:18:59,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:18:59,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:18:59,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:18:59,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:18:59,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:18:59,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:18:59,731 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:18:59,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:18:59,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:18:59,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:18:59,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:18:59,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:18:59,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:18:59,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:18:59,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:18:59,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:18:59,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:18:59,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:18:59,742 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:18:59,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:18:59,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:18:59,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:18:59,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:18:59,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:18:59,743 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:18:59,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:18:59,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:18:59,744 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_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f [2021-11-22 23:19:00,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:19:00,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:19:00,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:19:00,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:19:00,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:19:00,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-tiling/pr4.c [2021-11-22 23:19:00,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/data/9272694fc/7d01eab9d41d431db910150077535ae0/FLAG7e67cfb79 [2021-11-22 23:19:00,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:19:00,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/sv-benchmarks/c/array-tiling/pr4.c [2021-11-22 23:19:00,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/data/9272694fc/7d01eab9d41d431db910150077535ae0/FLAG7e67cfb79 [2021-11-22 23:19:01,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/data/9272694fc/7d01eab9d41d431db910150077535ae0 [2021-11-22 23:19:01,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:19:01,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:19:01,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:01,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:19:01,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:19:01,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4731ba64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01, skipping insertion in model container [2021-11-22 23:19:01,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:19:01,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:19:01,291 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_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2021-11-22 23:19:01,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:01,353 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:19:01,375 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_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2021-11-22 23:19:01,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:01,439 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:19:01,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01 WrapperNode [2021-11-22 23:19:01,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:01,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:01,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:19:01,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:19:01,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,527 INFO L137 Inliner]: procedures = 15, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2021-11-22 23:19:01,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:01,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:19:01,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:19:01,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:19:01,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,556 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:19:01,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:19:01,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:19:01,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:19:01,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:01" (1/1) ... [2021-11-22 23:19:01,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:01,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:19:01,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:19:01,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d4bf8ff-71a1-40ce-b3b9-f3867f39262c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:19:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:19:01,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:19:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:19:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:19:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:19:01,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:19:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:19:01,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:19:01,788 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:19:01,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:19:01,958 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:19:02,041 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:19:02,041 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 23:19:02,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:02 BoogieIcfgContainer [2021-11-22 23:19:02,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:19:02,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:19:02,046 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:19:02,059 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:19:02,060 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:02" (1/1) ... [2021-11-22 23:19:02,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:19:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-22 23:19:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-22 23:19:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:19:02,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:02,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:02,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:02,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-22 23:19:02,750 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-22 23:19:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:19:02,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:02,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:04,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2021-11-22 23:19:04,346 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2021-11-22 23:19:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:19:04,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:04,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2021-11-22 23:19:06,595 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2021-11-22 23:19:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:06,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-22 23:19:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-22 23:19:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:19:08,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:08,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2021-11-22 23:19:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2021-11-22 23:19:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:11,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:11,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-22 23:19:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-22 23:19:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:19:16,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:16,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2021-11-22 23:19:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2021-11-22 23:19:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:19:17,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2021-11-22 23:19:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2021-11-22 23:19:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:19:25,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:25,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:26,049 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2021-11-22 23:19:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2021-11-22 23:19:26,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:19:26,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:26,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:26,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 58 states and 93 transitions. [2021-11-22 23:19:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 93 transitions. [2021-11-22 23:19:38,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:38,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:38,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:41,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:41,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2021-11-22 23:19:41,383 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2021-11-22 23:19:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:19:41,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:41,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2021-11-22 23:19:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2021-11-22 23:19:54,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:19:54,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:57,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 112 transitions. [2021-11-22 23:19:57,653 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2021-11-22 23:19:57,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:19:57,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:14,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2021-11-22 23:20:14,572 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2021-11-22 23:20:14,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:20:14,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:16,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:16,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2021-11-22 23:20:16,167 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2021-11-22 23:20:16,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:20:16,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:16,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:43,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 97 states and 164 transitions. [2021-11-22 23:20:43,060 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 164 transitions. [2021-11-22 23:20:43,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:20:43,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:43,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 98 states and 168 transitions. [2021-11-22 23:20:44,843 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 168 transitions. [2021-11-22 23:20:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:20:44,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 117 states and 201 transitions. [2021-11-22 23:21:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 201 transitions. [2021-11-22 23:21:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:19,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 211 transitions. [2021-11-22 23:21:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 211 transitions. [2021-11-22 23:21:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:21:33,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:33,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,515 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 78 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 213 transitions. [2021-11-22 23:21:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2021-11-22 23:21:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:21:35,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:35,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:09,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 139 states and 237 transitions. [2021-11-22 23:22:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 237 transitions. [2021-11-22 23:22:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:22:09,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:09,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:18,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 143 states and 247 transitions. [2021-11-22 23:22:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2021-11-22 23:22:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:22:18,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 147 states and 252 transitions. [2021-11-22 23:22:25,625 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2021-11-22 23:22:25,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:22:25,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 271 transitions. [2021-11-22 23:22:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2021-11-22 23:22:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:22:56,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:56,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:04,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 159 states and 281 transitions. [2021-11-22 23:23:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 281 transitions. [2021-11-22 23:23:04,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:23:04,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:04,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:12,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:12,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 163 states and 286 transitions. [2021-11-22 23:23:12,768 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 286 transitions. [2021-11-22 23:23:12,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:23:12,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:12,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:15,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:15,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 164 states and 288 transitions. [2021-11-22 23:23:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 288 transitions. [2021-11-22 23:23:15,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:23:15,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:15,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:23,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 168 states and 293 transitions. [2021-11-22 23:23:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 293 transitions. [2021-11-22 23:23:23,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:23:23,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:23,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 178 states and 316 transitions. [2021-11-22 23:24:00,951 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 316 transitions. [2021-11-22 23:24:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:24:00,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:00,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 182 states and 321 transitions. [2021-11-22 23:24:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 321 transitions. [2021-11-22 23:24:10,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:24:10,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 188 states and 333 transitions. [2021-11-22 23:24:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 333 transitions. [2021-11-22 23:24:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:24:25,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:25,974 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 189 states and 336 transitions. [2021-11-22 23:24:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 336 transitions. [2021-11-22 23:24:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:24:29,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:29,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:29,385 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 196 states and 346 transitions. [2021-11-22 23:24:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 346 transitions. [2021-11-22 23:24:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:24:45,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:45,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:43,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 209 states and 380 transitions. [2021-11-22 23:25:43,073 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 380 transitions. [2021-11-22 23:25:43,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:25:43,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:43,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:05,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 216 states and 405 transitions. [2021-11-22 23:26:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 405 transitions. [2021-11-22 23:26:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:26:05,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 217 states and 413 transitions. [2021-11-22 23:26:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 413 transitions. [2021-11-22 23:26:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:26:09,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:09,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:28,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 224 states and 426 transitions. [2021-11-22 23:26:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 426 transitions. [2021-11-22 23:26:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:26:28,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:28,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:40,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:40,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 240 states and 465 transitions. [2021-11-22 23:27:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 465 transitions. [2021-11-22 23:27:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:27:40,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:40,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 246 states and 482 transitions. [2021-11-22 23:28:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 482 transitions. [2021-11-22 23:28:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:28:00,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:00,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 249 states and 491 transitions. [2021-11-22 23:28:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 491 transitions. [2021-11-22 23:28:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:28:10,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:10,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:10,896 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 250 states and 497 transitions. [2021-11-22 23:28:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 497 transitions. [2021-11-22 23:28:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:28:14,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:14,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:41,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 260 states and 512 transitions. [2021-11-22 23:28:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 512 transitions. [2021-11-22 23:28:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:28:41,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:41,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:56,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 264 states and 527 transitions. [2021-11-22 23:28:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 527 transitions. [2021-11-22 23:28:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:28:56,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:56,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 268 states and 531 transitions. [2021-11-22 23:29:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 531 transitions. [2021-11-22 23:29:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:29:07,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:07,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:34,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 277 states and 547 transitions. [2021-11-22 23:29:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 547 transitions. [2021-11-22 23:29:34,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:29:34,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:34,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 278 states and 549 transitions. [2021-11-22 23:29:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 549 transitions. [2021-11-22 23:29:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:29:38,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:38,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:38,390 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 188 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:49,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:49,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 282 states and 552 transitions. [2021-11-22 23:29:49,982 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 552 transitions. [2021-11-22 23:29:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:29:49,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:49,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:05,552 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 291 states and 571 transitions. [2021-11-22 23:31:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 571 transitions. [2021-11-22 23:31:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:31:00,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:00,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 294 states and 580 transitions. [2021-11-22 23:31:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 580 transitions. [2021-11-22 23:31:13,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:31:13,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:13,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 295 states and 584 transitions. [2021-11-22 23:31:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 584 transitions. [2021-11-22 23:31:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:31:17,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:17,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:26,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 297 states and 588 transitions. [2021-11-22 23:31:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 588 transitions. [2021-11-22 23:31:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:31:26,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:26,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:30,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 298 states and 594 transitions. [2021-11-22 23:31:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 594 transitions. [2021-11-22 23:31:30,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:31:30,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:30,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:38,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 300 states and 598 transitions. [2021-11-22 23:31:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 598 transitions. [2021-11-22 23:31:38,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:31:38,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:38,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.