./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c --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_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/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_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/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_8484b244-fe68-48b2-918e-31e9c9629316/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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- 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 17:05:54,210 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:54,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:54,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:54,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:54,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:54,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:54,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:54,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:54,259 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:54,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:54,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:54,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:54,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:54,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:54,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:54,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:54,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:54,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:54,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:54,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:54,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:54,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:54,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:54,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:54,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:54,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:54,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:54,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:54,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:54,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:54,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:54,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:54,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:54,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:54,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:54,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:54,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:54,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:54,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:54,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:54,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:54,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:54,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:54,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:54,334 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:54,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:54,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:54,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:54,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:54,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:54,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:54,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:54,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:54,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:54,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:54,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:54,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:54,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:54,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:54,337 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:54,337 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:54,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:54,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:54,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:54,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:54,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:54,338 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:54,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:54,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:54,339 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_8484b244-fe68-48b2-918e-31e9c9629316/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2022-10-17 17:05:54,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:54,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:54,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:54,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:54,711 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:54,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2022-10-17 17:05:54,784 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/data/c6da770a5/3fdbd219cc75421991e34336153af869/FLAGd843fb8fc [2022-10-17 17:05:55,309 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:55,312 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2022-10-17 17:05:55,321 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/data/c6da770a5/3fdbd219cc75421991e34336153af869/FLAGd843fb8fc [2022-10-17 17:05:55,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/data/c6da770a5/3fdbd219cc75421991e34336153af869 [2022-10-17 17:05:55,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:55,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:55,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:55,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:55,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:55,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:55" (1/1) ... [2022-10-17 17:05:55,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371abc08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:55, skipping insertion in model container [2022-10-17 17:05:55,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:55" (1/1) ... [2022-10-17 17:05:55,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:55,711 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:55,935 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_8484b244-fe68-48b2-918e-31e9c9629316/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2022-10-17 17:05:55,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:55,994 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:56,012 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_8484b244-fe68-48b2-918e-31e9c9629316/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c[416,429] [2022-10-17 17:05:56,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:56,066 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:56,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56 WrapperNode [2022-10-17 17:05:56,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:56,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:56,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:56,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:56,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,132 INFO L138 Inliner]: procedures = 15, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2022-10-17 17:05:56,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:56,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:56,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:56,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:56,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,178 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:56,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:56,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:56,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:56,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:56,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:56,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:56,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8484b244-fe68-48b2-918e-31e9c9629316/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:05:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:05:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:05:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:56,388 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:56,391 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:56,579 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:56,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:56,629 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 17:05:56,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:56 BoogieIcfgContainer [2022-10-17 17:05:56,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:56,633 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:56,633 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:56,645 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:56,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:56" (1/1) ... [2022-10-17 17:05:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:56,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:56,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 17:05:56,718 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 17:05:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:56,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:56,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:05:56,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 25 transitions. [2022-10-17 17:05:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-10-17 17:05:57,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:57,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:57,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:05:57,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:57,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 30 transitions. [2022-10-17 17:05:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 17:05:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:57,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:05:57,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 31 transitions. [2022-10-17 17:05:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2022-10-17 17:05:57,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:05:57,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:57,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:05:57,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:58,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 22 states and 32 transitions. [2022-10-17 17:05:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2022-10-17 17:05:58,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:05:58,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:05:58,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:58,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 33 transitions. [2022-10-17 17:05:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-10-17 17:05:58,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:58,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:58,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 34 transitions. [2022-10-17 17:05:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:05:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:05:58,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:05:58,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 35 transitions. [2022-10-17 17:05:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-10-17 17:05:58,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:05:58,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:05:58,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 36 transitions. [2022-10-17 17:05:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-10-17 17:05:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:05:59,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:05:59,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:59,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 37 transitions. [2022-10-17 17:05:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 17:05:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:05:59,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:59,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 38 transitions. [2022-10-17 17:05:59,567 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-10-17 17:05:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:05:59,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:05:59,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2022-10-17 17:05:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2022-10-17 17:05:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:59,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:05:59,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:00,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 40 transitions. [2022-10-17 17:06:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2022-10-17 17:06:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:06:00,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:06:00,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 41 transitions. [2022-10-17 17:06:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2022-10-17 17:06:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:06:00,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:06:00,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 42 transitions. [2022-10-17 17:06:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2022-10-17 17:06:00,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:06:00,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:06:00,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:01,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 43 transitions. [2022-10-17 17:06:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-10-17 17:06:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:06:01,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:01,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 44 transitions. [2022-10-17 17:06:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-10-17 17:06:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:06:01,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 45 transitions. [2022-10-17 17:06:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-10-17 17:06:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:06:01,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 46 transitions. [2022-10-17 17:06:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-10-17 17:06:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:06:02,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,270 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 47 transitions. [2022-10-17 17:06:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2022-10-17 17:06:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:06:02,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 48 transitions. [2022-10-17 17:06:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2022-10-17 17:06:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:06:02,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 49 transitions. [2022-10-17 17:06:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-10-17 17:06:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:06:03,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 50 transitions. [2022-10-17 17:06:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-10-17 17:06:03,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:06:03,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 41 states and 51 transitions. [2022-10-17 17:06:04,080 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-10-17 17:06:04,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:06:04,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 52 transitions. [2022-10-17 17:06:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-10-17 17:06:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:06:04,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 53 transitions. [2022-10-17 17:06:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2022-10-17 17:06:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:04,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:06:05,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 54 transitions. [2022-10-17 17:06:05,430 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-10-17 17:06:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:06:05,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:06:05,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 55 transitions. [2022-10-17 17:06:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-10-17 17:06:05,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:06:05,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:06,196 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:06,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 56 transitions. [2022-10-17 17:06:06,378 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-10-17 17:06:06,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:06:06,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:06,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 57 transitions. [2022-10-17 17:06:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-10-17 17:06:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:06:06,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:07,132 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:07,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 48 states and 58 transitions. [2022-10-17 17:06:07,323 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-10-17 17:06:07,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:06:07,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:06:07,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:07,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 59 transitions. [2022-10-17 17:06:07,824 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-10-17 17:06:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:06:07,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:06:07,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 60 transitions. [2022-10-17 17:06:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-10-17 17:06:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:06:08,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:08,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:08,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:06:08,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:08,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 51 states and 61 transitions. [2022-10-17 17:06:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-10-17 17:06:08,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:06:08,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:08,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:08,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:06:08,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 62 transitions. [2022-10-17 17:06:09,348 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-10-17 17:06:09,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:06:09,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 17:06:09,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 63 transitions. [2022-10-17 17:06:09,856 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-10-17 17:06:09,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:06:09,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:06:09,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 64 transitions. [2022-10-17 17:06:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2022-10-17 17:06:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:06:10,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 17:06:10,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 55 states and 65 transitions. [2022-10-17 17:06:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2022-10-17 17:06:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:06:10,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:06:10,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:11,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 56 states and 66 transitions. [2022-10-17 17:06:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2022-10-17 17:06:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:06:11,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:11,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:11,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 17:06:11,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 67 transitions. [2022-10-17 17:06:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2022-10-17 17:06:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:06:11,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:11,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:06:11,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:12,201 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 68 transitions. [2022-10-17 17:06:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2022-10-17 17:06:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:06:12,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:12,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:12,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 17:06:12,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:12,698 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:12,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:12,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 69 transitions. [2022-10-17 17:06:12,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-10-17 17:06:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:06:12,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:12,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:13,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:06:13,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 70 transitions. [2022-10-17 17:06:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2022-10-17 17:06:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:06:13,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:13,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:13,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:06:13,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:14,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 71 transitions. [2022-10-17 17:06:14,166 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2022-10-17 17:06:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:06:14,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:14,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:14,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 17:06:14,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 72 transitions. [2022-10-17 17:06:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2022-10-17 17:06:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:06:14,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:14,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:14,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 17:06:14,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 73 transitions. [2022-10-17 17:06:15,414 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2022-10-17 17:06:15,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:06:15,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 17:06:15,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 74 transitions. [2022-10-17 17:06:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2022-10-17 17:06:16,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:06:16,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 17:06:16,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 75 transitions. [2022-10-17 17:06:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2022-10-17 17:06:16,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:06:16,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:06:16,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:17,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 76 transitions. [2022-10-17 17:06:17,262 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-10-17 17:06:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:06:17,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:17,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 17:06:17,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 77 transitions. [2022-10-17 17:06:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2022-10-17 17:06:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:06:17,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:18,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 17:06:18,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 78 transitions. [2022-10-17 17:06:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2022-10-17 17:06:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:06:18,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:18,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:18,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 17:06:18,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 79 transitions. [2022-10-17 17:06:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2022-10-17 17:06:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:06:19,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:19,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:19,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 17:06:19,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:19,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 80 transitions. [2022-10-17 17:06:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 80 transitions. [2022-10-17 17:06:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:06:19,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:19,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:19,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 17:06:19,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:20,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 81 transitions. [2022-10-17 17:06:20,376 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 81 transitions. [2022-10-17 17:06:20,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:06:20,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:20,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:06:20,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 82 transitions. [2022-10-17 17:06:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2022-10-17 17:06:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:06:20,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:21,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 17:06:21,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 83 transitions. [2022-10-17 17:06:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 83 transitions. [2022-10-17 17:06:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:06:21,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:21,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:21,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 17:06:21,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 74 states and 84 transitions. [2022-10-17 17:06:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 84 transitions. [2022-10-17 17:06:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:06:22,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:22,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:22,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 17:06:22,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:23,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 75 states and 85 transitions. [2022-10-17 17:06:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 85 transitions. [2022-10-17 17:06:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:06:23,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:23,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:23,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 17:06:23,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:23,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1599 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:23,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 76 states and 86 transitions. [2022-10-17 17:06:23,672 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-10-17 17:06:23,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:06:23,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:23,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:23,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 17:06:23,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 77 states and 87 transitions. [2022-10-17 17:06:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-10-17 17:06:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:06:24,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:24,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:24,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 17:06:24,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1714 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:25,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:25,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 88 transitions. [2022-10-17 17:06:25,124 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2022-10-17 17:06:25,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:06:25,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:25,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 17:06:25,306 INFO L286 TraceCheckSpWp]: Computing forward predicates...