./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/recHanoi03-2.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_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/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_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi03-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/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_a99c059d-c655-41fb-8bc1-81466bfb0a89/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 6256a35b65d93a8e45ad38c9510c3be689a890aeee58265a5723be13a7385a72 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:55:13,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:55:13,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:55:14,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:55:14,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:55:14,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:55:14,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:55:14,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:55:14,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:55:14,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:55:14,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:55:14,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:55:14,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:55:14,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:55:14,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:55:14,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:55:14,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:55:14,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:55:14,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:55:14,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:55:14,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:55:14,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:55:14,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:55:14,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:55:14,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:55:14,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:55:14,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:55:14,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:55:14,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:55:14,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:55:14,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:55:14,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:55:14,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:55:14,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:55:14,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:55:14,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:55:14,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:55:14,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:55:14,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:55:14,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:55:14,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:55:14,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:55:14,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:55:14,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:55:14,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:55:14,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:55:14,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:55:14,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:55:14,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:55:14,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:55:14,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:55:14,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:55:14,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:55:14,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:55:14,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:55:14,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:55:14,179 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:55:14,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:55:14,179 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:55:14,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:55:14,180 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:55:14,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:55:14,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:55:14,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:14,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:55:14,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:55:14,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:55:14,182 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:55:14,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:55:14,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:55:14,183 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_a99c059d-c655-41fb-8bc1-81466bfb0a89/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6256a35b65d93a8e45ad38c9510c3be689a890aeee58265a5723be13a7385a72 [2021-11-23 00:55:14,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:55:14,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:55:14,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:55:14,504 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:55:14,506 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:55:14,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/recursive/recHanoi03-2.c [2021-11-23 00:55:14,603 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/data/ede7968e9/a7a90cb8bd60477db9d893b6635e5675/FLAG11c09aba0 [2021-11-23 00:55:15,170 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:55:15,171 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/sv-benchmarks/c/recursive/recHanoi03-2.c [2021-11-23 00:55:15,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/data/ede7968e9/a7a90cb8bd60477db9d893b6635e5675/FLAG11c09aba0 [2021-11-23 00:55:15,547 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/data/ede7968e9/a7a90cb8bd60477db9d893b6635e5675 [2021-11-23 00:55:15,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:55:15,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:55:15,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:15,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:55:15,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:55:15,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf281a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15, skipping insertion in model container [2021-11-23 00:55:15,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:55:15,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:55:15,806 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_a99c059d-c655-41fb-8bc1-81466bfb0a89/sv-benchmarks/c/recursive/recHanoi03-2.c[769,782] [2021-11-23 00:55:15,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:15,821 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:55:15,839 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_a99c059d-c655-41fb-8bc1-81466bfb0a89/sv-benchmarks/c/recursive/recHanoi03-2.c[769,782] [2021-11-23 00:55:15,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:55:15,857 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:55:15,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15 WrapperNode [2021-11-23 00:55:15,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:55:15,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:15,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:55:15,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:55:15,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,904 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-23 00:55:15,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:55:15,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:55:15,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:55:15,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:55:15,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:55:15,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:55:15,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:55:15,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:55:15,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:55:15" (1/1) ... [2021-11-23 00:55:15,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:55:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:55:15,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:55:15,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a99c059d-c655-41fb-8bc1-81466bfb0a89/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:55:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:55:16,035 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2021-11-23 00:55:16,035 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2021-11-23 00:55:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:55:16,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:55:16,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:55:16,098 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:55:16,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:55:16,213 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:55:16,228 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:55:16,228 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:55:16,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:16 BoogieIcfgContainer [2021-11-23 00:55:16,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:55:16,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:55:16,233 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:55:16,245 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:55:16,245 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:55:16" (1/1) ... [2021-11-23 00:55:16,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:55:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 00:55:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 00:55:16,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:55:16,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,830 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 00:55:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-23 00:55:17,040 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-23 00:55:17,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:55:17,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:17,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:17,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:55:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:17,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 31 transitions. [2021-11-23 00:55:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 00:55:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:55:17,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:17,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:55:18,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 40 transitions. [2021-11-23 00:55:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2021-11-23 00:55:18,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:55:18,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:18,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:55:20,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:20,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 30 states and 50 transitions. [2021-11-23 00:55:20,313 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2021-11-23 00:55:20,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:55:20,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:20,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 00:55:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:22,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 33 states and 61 transitions. [2021-11-23 00:55:22,120 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 00:55:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:55:22,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:22,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 00:55:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:24,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 36 states and 73 transitions. [2021-11-23 00:55:24,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2021-11-23 00:55:24,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:55:24,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:24,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:25,840 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 00:55:27,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:27,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 39 states and 86 transitions. [2021-11-23 00:55:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 86 transitions. [2021-11-23 00:55:27,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:55:27,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:27,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:29,205 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-23 00:55:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 42 states and 100 transitions. [2021-11-23 00:55:31,630 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 100 transitions. [2021-11-23 00:55:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:55:31,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:31,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-11-23 00:55:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 45 states and 115 transitions. [2021-11-23 00:55:36,601 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 115 transitions. [2021-11-23 00:55:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:55:36,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:36,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-23 00:55:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 48 states and 131 transitions. [2021-11-23 00:55:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 131 transitions. [2021-11-23 00:55:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:55:43,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:43,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:55:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:50,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 51 states and 148 transitions. [2021-11-23 00:55:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 148 transitions. [2021-11-23 00:55:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:55:50,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:50,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:54,704 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-11-23 00:56:00,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:00,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 54 states and 166 transitions. [2021-11-23 00:56:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 166 transitions. [2021-11-23 00:56:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:56:00,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:00,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:05,105 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-11-23 00:56:12,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 57 states and 185 transitions. [2021-11-23 00:56:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 185 transitions. [2021-11-23 00:56:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:56:12,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:12,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-11-23 00:56:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 60 states and 205 transitions. [2021-11-23 00:56:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 205 transitions. [2021-11-23 00:56:26,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:56:26,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:26,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-11-23 00:56:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 63 states and 226 transitions. [2021-11-23 00:56:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 226 transitions. [2021-11-23 00:56:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:56:42,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:42,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-11-23 00:57:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 66 states and 248 transitions. [2021-11-23 00:57:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 248 transitions. [2021-11-23 00:57:03,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:57:03,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:03,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:13,073 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-11-23 00:57:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 69 states and 271 transitions. [2021-11-23 00:57:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 271 transitions. [2021-11-23 00:57:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:57:25,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:25,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-11-23 00:57:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 72 states and 295 transitions. [2021-11-23 00:57:53,000 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 295 transitions. [2021-11-23 00:57:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:57:53,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:53,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-11-23 00:58:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:24,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 75 states and 320 transitions. [2021-11-23 00:58:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 320 transitions. [2021-11-23 00:58:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:58:24,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:24,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-11-23 00:59:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 78 states and 346 transitions. [2021-11-23 00:59:00,675 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 346 transitions. [2021-11-23 00:59:00,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 00:59:00,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:00,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2021-11-23 00:59:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 81 states and 373 transitions. [2021-11-23 00:59:43,636 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 373 transitions. [2021-11-23 00:59:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-23 00:59:43,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:43,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-11-23 01:00:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 84 states and 401 transitions. [2021-11-23 01:00:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 401 transitions. [2021-11-23 01:00:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-23 01:00:33,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:33,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:58,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2021-11-23 01:01:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:30,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 87 states and 430 transitions. [2021-11-23 01:01:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 430 transitions. [2021-11-23 01:01:30,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-23 01:01:30,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:30,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2021-11-23 01:02:31,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:02:31,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 90 states and 460 transitions. [2021-11-23 01:02:31,841 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 460 transitions. [2021-11-23 01:02:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-23 01:02:31,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:02:31,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:02:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:03:00,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-23 01:03:36,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:03:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 93 states and 491 transitions. [2021-11-23 01:03:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 491 transitions. [2021-11-23 01:03:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-23 01:03:36,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:03:36,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:03:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:04:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2021-11-23 01:04:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:04:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 96 states and 523 transitions. [2021-11-23 01:04:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 523 transitions. [2021-11-23 01:04:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-23 01:04:49,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:04:49,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:04:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:05:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2021-11-23 01:06:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 99 states and 556 transitions. [2021-11-23 01:06:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 556 transitions. [2021-11-23 01:06:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-23 01:06:01,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:01,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat