./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/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_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b --- 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 16:49:37,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:37,931 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:37,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:37,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:37,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:37,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:37,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:37,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:37,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:37,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:37,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:37,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:37,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:37,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:37,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:37,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:37,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:37,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:37,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:37,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:37,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:37,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:37,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:37,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:37,998 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:37,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:38,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:38,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:38,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:38,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:38,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:38,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:38,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:38,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:38,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:38,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:38,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:38,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:38,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:38,010 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:38,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:49:38,051 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:38,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:38,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:38,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:38,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:38,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:38,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:38,055 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:38,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:49:38,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:38,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:38,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:38,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:38,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:38,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:38,057 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:49:38,057 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:38,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:38,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:38,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:38,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:38,058 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:38,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:38,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:38,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:38,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:38,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:38,078 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:38,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:38,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:38,079 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_6e70611f-a19d-4f30-bb78-3d5c0460201d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36118893e72f01ac34f08ae30ac9eb83d0074096398f7228653cb15beb7a3f4b [2022-10-17 16:49:38,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:38,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:38,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:38,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:38,354 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:38,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2022-10-17 16:49:38,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/data/773050cdf/44b63eb02b17430fadd7639a0e782e18/FLAG86311bcbb [2022-10-17 16:49:38,978 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:38,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/sv-benchmarks/c/loop-zilu/benchmark03_linear.i [2022-10-17 16:49:38,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/data/773050cdf/44b63eb02b17430fadd7639a0e782e18/FLAG86311bcbb [2022-10-17 16:49:39,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/data/773050cdf/44b63eb02b17430fadd7639a0e782e18 [2022-10-17 16:49:39,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:39,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:39,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:39,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:39,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:39,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d0712b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39, skipping insertion in model container [2022-10-17 16:49:39,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:39,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:39,583 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_6e70611f-a19d-4f30-bb78-3d5c0460201d/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2022-10-17 16:49:39,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:39,613 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:39,630 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_6e70611f-a19d-4f30-bb78-3d5c0460201d/sv-benchmarks/c/loop-zilu/benchmark03_linear.i[868,881] [2022-10-17 16:49:39,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:39,661 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:39,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39 WrapperNode [2022-10-17 16:49:39,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:39,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:39,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:39,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:39,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,711 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-10-17 16:49:39,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:39,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:39,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:39,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:39,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:39,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:39,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:39,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:39,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:39" (1/1) ... [2022-10-17 16:49:39,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:39,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:39,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e70611f-a19d-4f30-bb78-3d5c0460201d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:39,913 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:39,915 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:40,145 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:40,173 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:40,173 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:49:40,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:40 BoogieIcfgContainer [2022-10-17 16:49:40,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:40,177 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:40,177 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:40,188 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:40,188 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:40" (1/1) ... [2022-10-17 16:49:40,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:40,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2022-10-17 16:49:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-10-17 16:49:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:49:40,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,472 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 16:49:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2022-10-17 16:49:40,568 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-10-17 16:49:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:49:40,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,668 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 16:49:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-10-17 16:49:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-10-17 16:49:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:49:40,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:40,773 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 16:49:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-10-17 16:49:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-10-17 16:49:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:40,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:40,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,065 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 16:49:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-10-17 16:49:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-10-17 16:49:41,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:49:41,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,231 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 16:49:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2022-10-17 16:49:41,708 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2022-10-17 16:49:41,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:41,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:41,940 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 16:49:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2022-10-17 16:49:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2022-10-17 16:49:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:42,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:42,672 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 16:49:43,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:43,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2022-10-17 16:49:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2022-10-17 16:49:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:43,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:43,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:43,744 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 16:49:44,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2022-10-17 16:49:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2022-10-17 16:49:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:49:44,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:44,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:44,942 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 16:49:45,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2022-10-17 16:49:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2022-10-17 16:49:45,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:49:45,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:45,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:45,166 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 16:49:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 70 states and 115 transitions. [2022-10-17 16:49:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 115 transitions. [2022-10-17 16:49:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:49:45,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:45,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:46,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:46,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2022-10-17 16:49:46,742 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2022-10-17 16:49:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:49:46,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:46,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2022-10-17 16:49:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2022-10-17 16:49:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:49:48,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:48,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 91 states and 159 transitions. [2022-10-17 16:49:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 159 transitions. [2022-10-17 16:49:48,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:49:48,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:50,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 100 states and 180 transitions. [2022-10-17 16:49:50,719 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 180 transitions. [2022-10-17 16:49:50,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:50,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 102 states and 182 transitions. [2022-10-17 16:49:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 182 transitions. [2022-10-17 16:49:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:50,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 112 states and 208 transitions. [2022-10-17 16:49:53,347 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 208 transitions. [2022-10-17 16:49:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:53,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:53,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 114 states and 210 transitions. [2022-10-17 16:49:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2022-10-17 16:49:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:49:53,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:53,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 124 states and 238 transitions. [2022-10-17 16:49:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 238 transitions. [2022-10-17 16:49:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:56,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:56,538 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 126 states and 240 transitions. [2022-10-17 16:49:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 240 transitions. [2022-10-17 16:49:56,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:49:56,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 134 states and 258 transitions. [2022-10-17 16:49:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 258 transitions. [2022-10-17 16:49:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:59,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:59,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 136 states and 260 transitions. [2022-10-17 16:49:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 260 transitions. [2022-10-17 16:49:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:59,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 144 states and 279 transitions. [2022-10-17 16:50:03,024 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 279 transitions. [2022-10-17 16:50:03,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:50:03,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 281 transitions. [2022-10-17 16:50:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 281 transitions. [2022-10-17 16:50:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:50:03,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:03,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:06,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 152 states and 295 transitions. [2022-10-17 16:50:06,082 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 295 transitions. [2022-10-17 16:50:06,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:50:06,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:06,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:06,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 161 states and 316 transitions. [2022-10-17 16:50:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 316 transitions. [2022-10-17 16:50:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:50:09,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:09,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.