./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/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_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/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_1977323d-0ffc-43cf-a338-398408ba8cc2/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 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a --- 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 17:05:50,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:50,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:50,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:50,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:50,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:50,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:50,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:50,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:50,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:50,478 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:50,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:50,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:50,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:50,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:50,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:50,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:50,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:50,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:50,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:50,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:50,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:50,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:50,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:50,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:50,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:50,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:50,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:50,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:50,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:50,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:50,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:50,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:50,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:50,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:50,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:50,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:50,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:50,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:50,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:50,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:50,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:50,610 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:50,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:50,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:50,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:50,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:50,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:50,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:50,614 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:50,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:50,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:50,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:50,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:50,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:50,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:50,617 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:50,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:50,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:50,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:50,618 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:50,618 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:50,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:50,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:50,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:50,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:50,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:50,620 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:50,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:50,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:50,623 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_1977323d-0ffc-43cf-a338-398408ba8cc2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9957a8257e625ece47db9a92e288c6545c023c8bdaf68d0d314c8d86ce47979a [2022-10-17 17:05:50,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:50,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:50,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:50,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:50,968 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:50,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-10-17 17:05:51,052 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/data/e295ce540/7a59888186014a2392dcfb0f12054957/FLAGa57119427 [2022-10-17 17:05:51,674 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:51,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i [2022-10-17 17:05:51,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/data/e295ce540/7a59888186014a2392dcfb0f12054957/FLAGa57119427 [2022-10-17 17:05:52,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/data/e295ce540/7a59888186014a2392dcfb0f12054957 [2022-10-17 17:05:52,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:52,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:52,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:52,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:52,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:52,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d2388b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52, skipping insertion in model container [2022-10-17 17:05:52,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,062 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:52,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:52,313 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_1977323d-0ffc-43cf-a338-398408ba8cc2/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-10-17 17:05:52,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:52,340 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:52,355 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_1977323d-0ffc-43cf-a338-398408ba8cc2/sv-benchmarks/c/array-examples/standard_strcpy_ground-1.i[853,866] [2022-10-17 17:05:52,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:52,377 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:52,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52 WrapperNode [2022-10-17 17:05:52,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:52,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:52,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:52,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:52,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,419 INFO L138 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-10-17 17:05:52,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:52,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:52,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:52,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:52,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:52,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:52,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:52,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:52,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:52,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:52,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:52,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1977323d-0ffc-43cf-a338-398408ba8cc2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:05:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:05:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:05:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:05:52,632 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:52,634 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:52,862 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:52,932 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:52,933 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:05:52,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:52 BoogieIcfgContainer [2022-10-17 17:05:52,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:52,936 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:52,936 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:52,947 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:52,947 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:52" (1/1) ... [2022-10-17 17:05:52,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 17:05:53,048 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 17:05:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:53,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-10-17 17:05:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-10-17 17:05:53,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:05:53,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-10-17 17:05:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-10-17 17:05:53,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:05:53,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2022-10-17 17:05:53,743 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-10-17 17:05:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:05:53,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:05:54,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:54,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 17:05:54,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 17:05:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:54,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:54,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:54,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-10-17 17:05:54,449 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-10-17 17:05:54,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:05:54,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:54,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:54,619 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:54,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-10-17 17:05:54,725 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-10-17 17:05:54,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:05:54,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:54,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:54,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 17:05:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 17:05:55,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:05:55,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:55,178 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 17:05:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 17:05:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:05:55,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-10-17 17:05:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-10-17 17:05:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:55,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 17:05:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 17:05:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:05:55,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:56,033 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:56,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-10-17 17:05:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 17:05:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:05:56,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:56,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-10-17 17:05:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-10-17 17:05:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:56,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:56,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-10-17 17:05:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-10-17 17:05:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:05:56,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-10-17 17:05:57,351 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-10-17 17:05:57,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:05:57,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:57,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:57,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-10-17 17:05:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-10-17 17:05:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:05:57,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:57,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,016 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-10-17 17:05:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-10-17 17:05:58,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:05:58,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,498 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-10-17 17:05:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-10-17 17:05:58,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:05:58,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2022-10-17 17:05:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-10-17 17:05:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:59,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:05:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-10-17 17:05:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-10-17 17:05:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:05:59,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:00,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-10-17 17:06:00,227 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-10-17 17:06:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:06:00,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-10-17 17:06:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-10-17 17:06:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:06:00,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-10-17 17:06:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-10-17 17:06:01,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:06:01,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,630 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:01,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2022-10-17 17:06:01,915 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-10-17 17:06:01,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:06:01,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,205 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2022-10-17 17:06:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-10-17 17:06:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:06:02,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-10-17 17:06:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-10-17 17:06:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:06:03,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2022-10-17 17:06:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-10-17 17:06:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:06:03,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:04,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-10-17 17:06:04,548 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-10-17 17:06:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:06:04,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2022-10-17 17:06:05,269 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-10-17 17:06:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:06:05,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:06,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-10-17 17:06:06,053 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-10-17 17:06:06,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:06:06,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,415 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-10-17 17:06:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-10-17 17:06:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:06:06,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,159 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:07,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-10-17 17:06:07,538 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-10-17 17:06:07,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:06:07,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:08,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-10-17 17:06:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-10-17 17:06:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:08,349 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 17:06:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:08,760 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:09,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2022-10-17 17:06:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-10-17 17:06:09,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:06:09,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:09,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2022-10-17 17:06:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2022-10-17 17:06:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:06:09,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2022-10-17 17:06:10,882 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-10-17 17:06:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:06:10,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:11,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:11,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2022-10-17 17:06:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-10-17 17:06:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:06:11,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:11,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:12,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2022-10-17 17:06:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-10-17 17:06:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:06:12,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:12,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:13,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2022-10-17 17:06:13,710 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-10-17 17:06:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:06:13,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:13,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:14,212 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:14,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:14,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2022-10-17 17:06:14,696 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-10-17 17:06:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:06:14,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:14,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2022-10-17 17:06:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-10-17 17:06:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:06:15,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2022-10-17 17:06:16,796 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2022-10-17 17:06:16,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:06:16,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2022-10-17 17:06:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2022-10-17 17:06:17,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:06:17,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:06:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2022-10-17 17:06:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2022-10-17 17:06:18,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:06:18,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:18,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat