./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/n.c24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB --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 ff2f22c8c94593047c07aca289bcba7e507bc3ee948a7529dc94c8d7792bd95d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:48:15,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:15,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:15,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:15,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:15,097 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:15,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:15,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:15,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:15,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:15,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:15,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:15,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:15,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:15,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:15,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:15,130 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:15,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:15,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:15,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:15,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:15,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:15,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:15,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:15,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:15,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:15,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:15,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:15,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:15,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:15,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:15,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:15,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:15,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:15,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:15,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:15,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:15,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:15,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:15,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:15,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:15,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:15,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:15,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:15,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:15,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:15,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:15,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:15,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:15,230 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:15,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:15,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:15,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:15,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:15,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:15,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:15,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:15,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:15,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:15,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:15,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:15,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:15,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:15,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:15,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:15,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:15,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:15,237 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:15,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:15,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:15,238 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_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff2f22c8c94593047c07aca289bcba7e507bc3ee948a7529dc94c8d7792bd95d [2022-10-17 16:48:15,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:15,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:15,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:15,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:15,627 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:15,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops/n.c24.i [2022-10-17 16:48:15,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/data/33baafa39/220c512d73ac44b3b3e1a307eb6fef56/FLAGc1834021f [2022-10-17 16:48:16,148 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:16,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/sv-benchmarks/c/loops/n.c24.i [2022-10-17 16:48:16,169 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/data/33baafa39/220c512d73ac44b3b3e1a307eb6fef56/FLAGc1834021f [2022-10-17 16:48:16,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/data/33baafa39/220c512d73ac44b3b3e1a307eb6fef56 [2022-10-17 16:48:16,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:16,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:16,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:16,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:16,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:16,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:16" (1/1) ... [2022-10-17 16:48:16,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ede8f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:16, skipping insertion in model container [2022-10-17 16:48:16,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:16" (1/1) ... [2022-10-17 16:48:16,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:16,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:16,837 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_a9840c3c-2f93-471a-8ac4-bfa064822398/sv-benchmarks/c/loops/n.c24.i[805,818] [2022-10-17 16:48:16,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:16,947 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:16,961 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_a9840c3c-2f93-471a-8ac4-bfa064822398/sv-benchmarks/c/loops/n.c24.i[805,818] [2022-10-17 16:48:17,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:17,030 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:17,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17 WrapperNode [2022-10-17 16:48:17,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:17,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:17,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:17,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:17,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,101 INFO L138 Inliner]: procedures = 68, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 146 [2022-10-17 16:48:17,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:17,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:17,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:17,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:17,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:17,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:17,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:17,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:17,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:17,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:17,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:17,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9840c3c-2f93-471a-8ac4-bfa064822398/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:17,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:48:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:17,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:48:17,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:17,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:17,311 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:17,313 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:17,628 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:17,708 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:17,709 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:48:17,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:17 BoogieIcfgContainer [2022-10-17 16:48:17,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:17,713 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:17,713 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:17,738 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:17,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:17" (1/1) ... [2022-10-17 16:48:17,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:48:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:48:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:48:17,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-10-17 16:48:18,120 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-10-17 16:48:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:18,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2022-10-17 16:48:18,380 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2022-10-17 16:48:18,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:18,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2022-10-17 16:48:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2022-10-17 16:48:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:48:18,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:18,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2022-10-17 16:48:18,671 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2022-10-17 16:48:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:18,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2022-10-17 16:48:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2022-10-17 16:48:18,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:18,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2022-10-17 16:48:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2022-10-17 16:48:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:19,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2022-10-17 16:48:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 16:48:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:19,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:19,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-10-17 16:48:19,350 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-10-17 16:48:19,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:19,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-10-17 16:48:19,491 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-10-17 16:48:19,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:19,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:19,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2022-10-17 16:48:19,644 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2022-10-17 16:48:19,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:48:19,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2022-10-17 16:48:19,861 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2022-10-17 16:48:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:48:19,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2022-10-17 16:48:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2022-10-17 16:48:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:20,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2022-10-17 16:48:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2022-10-17 16:48:20,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:48:20,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:20,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2022-10-17 16:48:20,651 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2022-10-17 16:48:20,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:48:20,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:20,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2022-10-17 16:48:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2022-10-17 16:48:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:48:20,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:21,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2022-10-17 16:48:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2022-10-17 16:48:21,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:48:21,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:21,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:21,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2022-10-17 16:48:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2022-10-17 16:48:21,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:48:21,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:21,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:22,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2022-10-17 16:48:22,014 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2022-10-17 16:48:22,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:48:22,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:22,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2022-10-17 16:48:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2022-10-17 16:48:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:48:22,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2022-10-17 16:48:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2022-10-17 16:48:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:22,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2022-10-17 16:48:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2022-10-17 16:48:23,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:48:23,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:23,534 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:23,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2022-10-17 16:48:23,657 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2022-10-17 16:48:23,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:48:23,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:23,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2022-10-17 16:48:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2022-10-17 16:48:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:48:24,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2022-10-17 16:48:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2022-10-17 16:48:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:48:24,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2022-10-17 16:48:25,076 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2022-10-17 16:48:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:48:25,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:25,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2022-10-17 16:48:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2022-10-17 16:48:25,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:48:25,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:25,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:26,071 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:26,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2022-10-17 16:48:26,251 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2022-10-17 16:48:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:48:26,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:26,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2022-10-17 16:48:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2022-10-17 16:48:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:48:26,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:26,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 59 states and 85 transitions. [2022-10-17 16:48:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2022-10-17 16:48:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:48:27,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:27,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:27,773 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:27,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:27,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 86 transitions. [2022-10-17 16:48:27,909 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2022-10-17 16:48:27,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:48:27,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:27,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:28,398 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 87 transitions. [2022-10-17 16:48:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2022-10-17 16:48:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:48:28,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:28,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:29,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2022-10-17 16:48:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2022-10-17 16:48:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:48:29,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2022-10-17 16:48:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2022-10-17 16:48:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:48:29,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:30,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2022-10-17 16:48:30,479 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2022-10-17 16:48:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:48:30,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:30,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:31,045 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2022-10-17 16:48:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2022-10-17 16:48:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:48:31,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:31,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:31,773 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:31,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 66 states and 92 transitions. [2022-10-17 16:48:31,949 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 92 transitions. [2022-10-17 16:48:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:48:31,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:32,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2022-10-17 16:48:32,698 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2022-10-17 16:48:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:48:32,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2022-10-17 16:48:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2022-10-17 16:48:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:48:33,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:33,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:34,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 95 transitions. [2022-10-17 16:48:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 95 transitions. [2022-10-17 16:48:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:48:34,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:34,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:35,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 96 transitions. [2022-10-17 16:48:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2022-10-17 16:48:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:48:35,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:35,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:35,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 71 states and 97 transitions. [2022-10-17 16:48:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2022-10-17 16:48:35,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:48:35,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:35,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:36,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 98 transitions. [2022-10-17 16:48:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2022-10-17 16:48:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:48:36,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:36,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:37,567 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 73 states and 99 transitions. [2022-10-17 16:48:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 99 transitions. [2022-10-17 16:48:37,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:48:37,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:38,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 74 states and 100 transitions. [2022-10-17 16:48:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2022-10-17 16:48:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:48:38,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,508 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:39,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2022-10-17 16:48:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2022-10-17 16:48:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:48:39,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:40,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2022-10-17 16:48:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2022-10-17 16:48:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:48:40,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 103 transitions. [2022-10-17 16:48:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2022-10-17 16:48:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:48:41,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:41,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 869 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:42,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 78 states and 104 transitions. [2022-10-17 16:48:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2022-10-17 16:48:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:48:42,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat