./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i --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_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/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_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/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_fac640fc-dfe8-4850-8cb3-4d3313290280/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 a622ae6de889131f2da5147d62f9f380917f72e1547f77059c8208bcfb6e8bd0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:43,049 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:43,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:43,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:43,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:43,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:43,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:43,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:43,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:43,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:43,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:43,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:43,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:43,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:43,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:43,122 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:43,124 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:43,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:43,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:43,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:43,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:43,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:43,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:43,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:43,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:43,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:43,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:43,179 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:43,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:43,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:43,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:43,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:43,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:43,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:43,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:43,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:43,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:43,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:43,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:43,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:43,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:43,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:47:43,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:43,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:43,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:43,265 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:43,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:43,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:43,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:43,267 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:47:43,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:43,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:47:43,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:43,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:43,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:43,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:43,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:47:43,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:43,271 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:43,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:43,272 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:43,272 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:43,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:43,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:43,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:43,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:43,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:43,274 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:43,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:43,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:43,275 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_fac640fc-dfe8-4850-8cb3-4d3313290280/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a622ae6de889131f2da5147d62f9f380917f72e1547f77059c8208bcfb6e8bd0 [2021-11-23 01:47:43,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:43,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:43,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:43,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:43,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:43,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i [2021-11-23 01:47:43,756 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/data/a20e81174/6117ed6520ef4e27b1363e40daeb906f/FLAG787a9666f [2021-11-23 01:47:44,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:44,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i [2021-11-23 01:47:44,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/data/a20e81174/6117ed6520ef4e27b1363e40daeb906f/FLAG787a9666f [2021-11-23 01:47:44,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/data/a20e81174/6117ed6520ef4e27b1363e40daeb906f [2021-11-23 01:47:44,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:44,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:44,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:44,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:44,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:44,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:44" (1/1) ... [2021-11-23 01:47:44,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352baee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:44, skipping insertion in model container [2021-11-23 01:47:44,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:44" (1/1) ... [2021-11-23 01:47:44,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:44,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:45,147 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_fac640fc-dfe8-4850-8cb3-4d3313290280/sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i[23220,23233] [2021-11-23 01:47:45,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:45,161 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:45,224 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_fac640fc-dfe8-4850-8cb3-4d3313290280/sv-benchmarks/c/list-ext2-properties/simple_search_value-2.i[23220,23233] [2021-11-23 01:47:45,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:45,270 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:45,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45 WrapperNode [2021-11-23 01:47:45,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:45,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:45,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:45,275 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:45,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,352 INFO L137 Inliner]: procedures = 122, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-11-23 01:47:45,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:45,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:45,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:45,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:45,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:45,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:45,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:45,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:45,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:45,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:45,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:45,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fac640fc-dfe8-4850-8cb3-4d3313290280/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 01:47:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 01:47:45,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:47:45,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:47:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:47:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:47:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:47:45,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:45,687 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:45,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:45,752 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-23 01:47:45,911 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:45,968 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:45,968 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:47:45,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:45 BoogieIcfgContainer [2021-11-23 01:47:45,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:45,972 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:45,972 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:45,985 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:45,985 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:45" (1/1) ... [2021-11-23 01:47:45,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:46,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:47:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:47:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:47:46,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:46,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,256 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 01:47:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2021-11-23 01:47:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2021-11-23 01:47:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:47:46,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:46,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,450 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 01:47:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2021-11-23 01:47:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2021-11-23 01:47:46,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:47:46,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:46,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:46,668 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 01:47:46,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-23 01:47:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-23 01:47:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:47:46,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:46,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,007 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 01:47:47,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:47,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2021-11-23 01:47:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-23 01:47:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:47:47,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:47,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:47,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 01:47:47,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 01:47:47,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:47:47,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:47,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:47,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2021-11-23 01:47:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2021-11-23 01:47:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:47:47,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:47,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:47,911 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:48,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2021-11-23 01:47:48,273 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2021-11-23 01:47:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:47:48,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:48,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:48,440 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:48,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:48,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-23 01:47:48,844 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-23 01:47:48,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:47:48,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:48,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:48,974 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-23 01:47:49,380 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-23 01:47:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:47:49,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:49,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:49,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 44 states and 56 transitions. [2021-11-23 01:47:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-11-23 01:47:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:47:49,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:49,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-11-23 01:47:50,429 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-11-23 01:47:50,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:50,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:50,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:50,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2021-11-23 01:47:50,991 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2021-11-23 01:47:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:47:50,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:50,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:47:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2021-11-23 01:47:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2021-11-23 01:47:51,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:47:51,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:51,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-23 01:48:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 100 states and 141 transitions. [2021-11-23 01:48:05,481 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 141 transitions. [2021-11-23 01:48:05,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:48:05,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:05,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-23 01:48:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 140 states and 218 transitions. [2021-11-23 01:48:33,088 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 218 transitions. [2021-11-23 01:48:33,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:48:33,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:33,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:49:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 77 states and 119 transitions. [2021-11-23 01:49:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 119 transitions. [2021-11-23 01:49:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:49:23,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:23,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 50 proven. 160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 85 states and 151 transitions. [2021-11-23 01:50:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 151 transitions. [2021-11-23 01:50:46,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:50:46,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 162 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:51:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 88 states and 157 transitions. [2021-11-23 01:51:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 157 transitions. [2021-11-23 01:51:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:51:19,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:19,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:39,628 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:53:09,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 98 states and 205 transitions. [2021-11-23 01:53:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 205 transitions. [2021-11-23 01:53:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:53:09,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:09,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-11-23 01:53:30,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:53:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 101 states and 212 transitions. [2021-11-23 01:53:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 212 transitions. [2021-11-23 01:53:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:53:30,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:53:30,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:55:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:55:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 110 states and 261 transitions. [2021-11-23 01:55:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 261 transitions. [2021-11-23 01:55:33,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:55:33,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:55:33,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:55:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:55:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:56:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:56:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 119 states and 285 transitions. [2021-11-23 01:56:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 285 transitions. [2021-11-23 01:56:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:56:16,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:56:16,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:56:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:56:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:58:14,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 128 states and 336 transitions. [2021-11-23 01:58:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 336 transitions. [2021-11-23 01:58:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:58:14,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:14,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:58:25,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:58:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 130 states and 350 transitions. [2021-11-23 01:58:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 350 transitions. [2021-11-23 01:58:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:58:25,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:58:25,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:58:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:58:41,392 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-23 01:59:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:59:23,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 136 states and 373 transitions. [2021-11-23 01:59:23,203 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 373 transitions. [2021-11-23 01:59:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:59:23,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:59:23,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:59:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:59:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.