./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/up.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_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/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_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/up.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/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_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/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 ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:45:37,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:37,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:37,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:37,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:37,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:37,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:37,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:37,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:37,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:37,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:37,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:37,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:37,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:37,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:37,976 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:37,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:37,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:37,981 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:37,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:37,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:37,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:37,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:37,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:38,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:38,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:38,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:38,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:38,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:38,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:38,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:38,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:38,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:38,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:38,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:38,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:38,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:38,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:38,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:38,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:38,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:38,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:38,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:38,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:38,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:38,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:38,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:38,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:38,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:38,095 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:38,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:38,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:38,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:38,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:38,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:38,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:38,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:38,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:38,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:38,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:38,098 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:38,098 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:38,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:38,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:38,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:38,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:38,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:38,099 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:38,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:38,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:38,102 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_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f [2022-10-17 16:45:38,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:38,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:38,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:38,388 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:38,390 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:38,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/up.i [2022-10-17 16:45:38,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/data/971955ec3/4c2d997ecedb46bbb2b8c7efd03c6c98/FLAG71df6e9fa [2022-10-17 16:45:38,874 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:38,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/sv-benchmarks/c/loop-invgen/up.i [2022-10-17 16:45:38,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/data/971955ec3/4c2d997ecedb46bbb2b8c7efd03c6c98/FLAG71df6e9fa [2022-10-17 16:45:39,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/data/971955ec3/4c2d997ecedb46bbb2b8c7efd03c6c98 [2022-10-17 16:45:39,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:39,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:39,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:39,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:39,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:39,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7c3cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39, skipping insertion in model container [2022-10-17 16:45:39,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:39,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:39,531 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_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/sv-benchmarks/c/loop-invgen/up.i[893,906] [2022-10-17 16:45:39,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:39,552 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:39,565 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_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/sv-benchmarks/c/loop-invgen/up.i[893,906] [2022-10-17 16:45:39,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:39,582 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:39,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39 WrapperNode [2022-10-17 16:45:39,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:39,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:39,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:39,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:39,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,617 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2022-10-17 16:45:39,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:39,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:39,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:39,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:39,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,640 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:39,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:39,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:39,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:39,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:39,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:39,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab04a31b-4a39-4f34-bd5a-039ef9be7d41/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:39,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:39,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:39,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:39,783 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:39,785 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:39,889 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:39,914 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:39,914 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:45:39,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:39 BoogieIcfgContainer [2022-10-17 16:45:39,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:39,918 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:39,918 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:39,927 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:39,928 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:39" (1/1) ... [2022-10-17 16:45:39,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-10-17 16:45:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-10-17 16:45:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:45:40,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2022-10-17 16:45:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2022-10-17 16:45:40,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:45:40,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2022-10-17 16:45:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2022-10-17 16:45:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:45:40,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-10-17 16:45:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-10-17 16:45:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:45:41,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:41,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:42,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2022-10-17 16:45:42,129 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2022-10-17 16:45:42,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:45:42,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2022-10-17 16:45:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2022-10-17 16:45:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:45:42,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:42,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:42,898 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2022-10-17 16:45:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2022-10-17 16:45:43,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:43,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:43,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:43,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2022-10-17 16:45:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2022-10-17 16:45:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:45:45,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:45,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:45,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:45,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2022-10-17 16:45:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2022-10-17 16:45:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:45,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:46,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2022-10-17 16:45:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2022-10-17 16:45:46,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:45:46,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2022-10-17 16:45:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2022-10-17 16:45:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:45:47,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:47,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2022-10-17 16:45:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2022-10-17 16:45:48,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:45:48,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:48,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2022-10-17 16:45:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2022-10-17 16:45:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:45:49,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:49,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,002 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2022-10-17 16:45:50,623 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2022-10-17 16:45:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:45:50,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,679 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2022-10-17 16:45:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2022-10-17 16:45:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:51,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:51,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-10-17 16:45:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-10-17 16:45:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:45:52,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2022-10-17 16:45:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-10-17 16:45:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:45:54,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:54,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 61 states and 110 transitions. [2022-10-17 16:45:54,941 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 110 transitions. [2022-10-17 16:45:54,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:45:54,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:54,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:56,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 64 states and 120 transitions. [2022-10-17 16:45:56,226 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-10-17 16:45:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:45:56,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:56,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:56,388 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 123 transitions. [2022-10-17 16:45:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 123 transitions. [2022-10-17 16:45:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:57,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 70 states and 126 transitions. [2022-10-17 16:45:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 126 transitions. [2022-10-17 16:45:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:45:57,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2022-10-17 16:45:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2022-10-17 16:45:58,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:58,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:58,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:59,122 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 27 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 80 states and 145 transitions. [2022-10-17 16:46:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 145 transitions. [2022-10-17 16:46:01,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:46:01,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:01,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 148 transitions. [2022-10-17 16:46:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 148 transitions. [2022-10-17 16:46:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:46:02,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:02,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 15 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 86 states and 158 transitions. [2022-10-17 16:46:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 158 transitions. [2022-10-17 16:46:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:46:03,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:03,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:04,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:04,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 89 states and 161 transitions. [2022-10-17 16:46:04,604 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 161 transitions. [2022-10-17 16:46:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:46:04,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:04,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 41 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 92 states and 164 transitions. [2022-10-17 16:46:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 164 transitions. [2022-10-17 16:46:05,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:46:05,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:05,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:05,973 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 41 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:06,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 167 transitions. [2022-10-17 16:46:06,891 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 167 transitions. [2022-10-17 16:46:06,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:46:06,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:06,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 41 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 102 states and 184 transitions. [2022-10-17 16:46:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 184 transitions. [2022-10-17 16:46:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:46:09,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:09,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 58 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 105 states and 187 transitions. [2022-10-17 16:46:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 187 transitions. [2022-10-17 16:46:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:46:11,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:11,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.