./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff --- 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-2329fc7 [2022-12-15 01:26:15,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:26:15,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:26:15,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:26:15,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:26:15,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:26:15,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:26:15,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:26:15,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:26:15,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:26:15,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:26:15,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:26:15,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:26:15,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:26:15,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:26:15,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:26:15,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:26:15,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:26:15,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:26:15,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:26:15,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:26:15,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:26:15,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:26:15,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:26:15,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:26:15,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:26:15,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:26:15,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:26:15,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:26:15,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:26:15,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:26:15,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:26:15,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:26:15,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:26:15,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:26:15,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:26:15,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:26:15,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:26:15,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:26:15,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:26:15,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:26:15,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 01:26:15,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:26:15,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:26:15,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:26:15,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:26:15,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:26:15,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:26:15,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:26:15,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 01:26:15,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:26:15,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:26:15,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:26:15,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:26:15,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:26:15,865 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 01:26:15,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:26:15,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:26:15,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:26:15,865 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:26:15,865 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:26:15,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:26:15,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:26:15,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:26:15,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:26:15,866 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:26:15,866 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:26:15,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:26:15,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:26:15,866 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_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64e9a02fe4d55a12958b5de8c28c6c0ab007c7a3dc976261fd9d4ec11bf5feff [2022-12-15 01:26:16,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:26:16,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:26:16,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:26:16,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:26:16,077 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:26:16,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2022-12-15 01:26:18,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:26:18,858 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:26:18,858 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/sv-benchmarks/c/termination-memory-alloca/b.18-alloca.i [2022-12-15 01:26:18,868 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/data/80110cbc3/3886246baa4a44cdae8480e64cb6b11b/FLAGfc40fc805 [2022-12-15 01:26:18,880 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/data/80110cbc3/3886246baa4a44cdae8480e64cb6b11b [2022-12-15 01:26:18,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:26:18,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:26:18,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:26:18,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:26:18,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:26:18,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:26:18" (1/1) ... [2022-12-15 01:26:18,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e948f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:18, skipping insertion in model container [2022-12-15 01:26:18,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:26:18" (1/1) ... [2022-12-15 01:26:18,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:26:18,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:26:19,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:26:19,139 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:26:19,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:26:19,187 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:26:19,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19 WrapperNode [2022-12-15 01:26:19,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:26:19,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:26:19,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:26:19,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:26:19,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,220 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-12-15 01:26:19,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:26:19,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:26:19,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:26:19,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:26:19,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,238 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:26:19,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:26:19,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:26:19,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:26:19,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:26:19,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:26:19,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:26:19,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83080ab0-a969-4eb5-9010-f23e720dbd72/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:26:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:26:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:26:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:26:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:26:19,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:26:19,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:26:19,393 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:26:19,395 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:26:19,532 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:26:19,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:26:19,568 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:26:19,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:26:19 BoogieIcfgContainer [2022-12-15 01:26:19,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:26:19,572 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:26:19,572 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:26:19,580 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:26:19,587 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:26:19" (1/1) ... [2022-12-15 01:26:19,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:26:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-12-15 01:26:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-12-15 01:26:19,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:26:19,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-12-15 01:26:19,784 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-12-15 01:26:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:26:19,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:19,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-12-15 01:26:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-12-15 01:26:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:26:20,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:20,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2022-12-15 01:26:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2022-12-15 01:26:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:26:20,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:20,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2022-12-15 01:26:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2022-12-15 01:26:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:26:21,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:21,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2022-12-15 01:26:21,219 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2022-12-15 01:26:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:26:21,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:21,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:21,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2022-12-15 01:26:21,702 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-12-15 01:26:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:26:21,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:21,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2022-12-15 01:26:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2022-12-15 01:26:22,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:26:22,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:22,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2022-12-15 01:26:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2022-12-15 01:26:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:26:23,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:23,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2022-12-15 01:26:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2022-12-15 01:26:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:26:24,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:24,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:25,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 100 transitions. [2022-12-15 01:26:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-12-15 01:26:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:26:25,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:25,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 59 states and 109 transitions. [2022-12-15 01:26:26,289 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2022-12-15 01:26:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:26:26,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:26,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:26:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 61 states and 112 transitions. [2022-12-15 01:26:26,636 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2022-12-15 01:26:26,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:26:26,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 111 transitions. [2022-12-15 01:26:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2022-12-15 01:26:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:26:27,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:27,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 69 states and 123 transitions. [2022-12-15 01:26:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 123 transitions. [2022-12-15 01:26:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:26:29,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:29,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:34,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 78 states and 147 transitions. [2022-12-15 01:26:34,249 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 147 transitions. [2022-12-15 01:26:34,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:26:34,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:34,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:34,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 80 states and 149 transitions. [2022-12-15 01:26:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2022-12-15 01:26:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:26:35,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:35,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 165 transitions. [2022-12-15 01:26:39,658 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 165 transitions. [2022-12-15 01:26:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:26:39,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:45,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 95 states and 180 transitions. [2022-12-15 01:26:45,009 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 180 transitions. [2022-12-15 01:26:45,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:26:45,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:45,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 97 states and 184 transitions. [2022-12-15 01:26:46,594 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 184 transitions. [2022-12-15 01:26:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:26:46,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:46,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:47,054 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:26:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 99 states and 185 transitions. [2022-12-15 01:26:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 185 transitions. [2022-12-15 01:26:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:26:49,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:50,677 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:26:55,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:26:55,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 108 states and 205 transitions. [2022-12-15 01:26:55,399 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 205 transitions. [2022-12-15 01:26:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 01:26:55,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:26:55,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:26:55,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:26:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:00,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 115 states and 221 transitions. [2022-12-15 01:27:00,742 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 221 transitions. [2022-12-15 01:27:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 01:27:00,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:00,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 01:27:01,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 115 states and 220 transitions. [2022-12-15 01:27:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 220 transitions. [2022-12-15 01:27:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:27:01,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:01,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:08,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 124 states and 240 transitions. [2022-12-15 01:27:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 240 transitions. [2022-12-15 01:27:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 01:27:08,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:08,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 133 states and 260 transitions. [2022-12-15 01:27:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 260 transitions. [2022-12-15 01:27:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:27:15,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:27:24,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:24,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 141 states and 286 transitions. [2022-12-15 01:27:24,469 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 286 transitions. [2022-12-15 01:27:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:27:24,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:24,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:26,019 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 150 states and 308 transitions. [2022-12-15 01:27:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 308 transitions. [2022-12-15 01:27:33,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:27:33,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:33,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 157 states and 324 transitions. [2022-12-15 01:27:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 324 transitions. [2022-12-15 01:27:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:27:41,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:42,051 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 01:27:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 159 states and 329 transitions. [2022-12-15 01:27:43,730 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 329 transitions. [2022-12-15 01:27:43,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:27:43,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:27:52,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:27:52,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 168 states and 350 transitions. [2022-12-15 01:27:52,129 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 350 transitions. [2022-12-15 01:27:52,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 01:27:52,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:27:52,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:27:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:27:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 175 states and 366 transitions. [2022-12-15 01:28:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 366 transitions. [2022-12-15 01:28:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:28:00,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:00,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 183 states and 381 transitions. [2022-12-15 01:28:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 381 transitions. [2022-12-15 01:28:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 01:28:10,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:10,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:12,040 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 190 states and 397 transitions. [2022-12-15 01:28:20,156 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 397 transitions. [2022-12-15 01:28:20,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:28:20,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:20,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:20,195 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-12-15 01:28:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 190 states and 396 transitions. [2022-12-15 01:28:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 396 transitions. [2022-12-15 01:28:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:28:21,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:21,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:31,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 201 states and 421 transitions. [2022-12-15 01:28:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 421 transitions. [2022-12-15 01:28:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:28:31,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:31,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 2 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:43,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 210 states and 440 transitions. [2022-12-15 01:28:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 440 transitions. [2022-12-15 01:28:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 01:28:43,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:43,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:28:57,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:28:57,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 221 states and 464 transitions. [2022-12-15 01:28:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 464 transitions. [2022-12-15 01:28:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-15 01:28:57,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:28:57,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:28:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:28:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:29:08,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 230 states and 483 transitions. [2022-12-15 01:29:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 483 transitions. [2022-12-15 01:29:08,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 01:29:08,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:08,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:29:21,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:21,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 241 states and 507 transitions. [2022-12-15 01:29:21,519 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 507 transitions. [2022-12-15 01:29:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 01:29:21,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:21,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 2 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:29:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 250 states and 526 transitions. [2022-12-15 01:29:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 526 transitions. [2022-12-15 01:29:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 01:29:32,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:32,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 202 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:29:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:46,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 261 states and 550 transitions. [2022-12-15 01:29:46,582 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 550 transitions. [2022-12-15 01:29:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 01:29:46,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:29:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 2 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:29:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:29:59,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 270 states and 569 transitions. [2022-12-15 01:29:59,081 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 569 transitions. [2022-12-15 01:29:59,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-15 01:29:59,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:29:59,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:29:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:30:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 278 states and 583 transitions. [2022-12-15 01:30:12,388 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 583 transitions. [2022-12-15 01:30:12,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-15 01:30:12,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:12,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 2 proven. 242 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:30:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:30:26,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 287 states and 602 transitions. [2022-12-15 01:30:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 602 transitions. [2022-12-15 01:30:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:30:26,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:30:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:30:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:30:46,150 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 2 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:32:06,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:32:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 341 states and 738 transitions. [2022-12-15 01:32:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 738 transitions. [2022-12-15 01:32:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-15 01:32:06,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:32:06,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:32:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:32:09,941 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 2 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:32:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:32:24,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 348 states and 755 transitions. [2022-12-15 01:32:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 755 transitions. [2022-12-15 01:32:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:32:24,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:32:24,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:32:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:32:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:32:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:32:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 357 states and 778 transitions. [2022-12-15 01:32:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 778 transitions. [2022-12-15 01:32:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 01:32:45,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:32:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:32:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:32:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 2 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:33:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:33:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 366 states and 798 transitions. [2022-12-15 01:33:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 798 transitions. [2022-12-15 01:33:03,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:33:03,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:33:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:33:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:33:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:33:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:33:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 375 states and 823 transitions. [2022-12-15 01:33:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 823 transitions. [2022-12-15 01:33:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-15 01:33:23,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:33:23,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:33:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:33:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 2 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:33:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:33:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 382 states and 840 transitions. [2022-12-15 01:33:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 840 transitions. [2022-12-15 01:33:43,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-15 01:33:43,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:33:43,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:33:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:33:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 74 proven. 1 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-15 01:33:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:33:46,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 382 states and 838 transitions. [2022-12-15 01:33:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 838 transitions. [2022-12-15 01:33:46,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-15 01:33:46,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:33:46,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:33:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:33:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:34:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:34:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 393 states and 864 transitions. [2022-12-15 01:34:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 864 transitions. [2022-12-15 01:34:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-12-15 01:34:07,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:34:07,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:34:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:34:13,024 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 2 proven. 450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:34:30,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:34:30,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 402 states and 884 transitions. [2022-12-15 01:34:30,283 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 884 transitions. [2022-12-15 01:34:30,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:34:30,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:34:30,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:34:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:34:35,178 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 0 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:34:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:34:53,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 413 states and 909 transitions. [2022-12-15 01:34:53,685 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 909 transitions. [2022-12-15 01:34:53,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 01:34:53,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:34:53,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:34:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:34:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 2 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:35:15,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:35:15,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 422 states and 929 transitions. [2022-12-15 01:35:15,303 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 929 transitions. [2022-12-15 01:35:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 01:35:15,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:35:15,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:35:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:35:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:35:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:35:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 433 states and 954 transitions. [2022-12-15 01:35:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 954 transitions. [2022-12-15 01:35:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-15 01:35:41,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:35:41,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:35:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:35:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 2 proven. 578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:36:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:36:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 442 states and 974 transitions. [2022-12-15 01:36:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 974 transitions. [2022-12-15 01:36:03,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-15 01:36:03,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:36:03,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:36:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:36:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:36:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:36:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 453 states and 999 transitions. [2022-12-15 01:36:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 999 transitions. [2022-12-15 01:36:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-15 01:36:28,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:36:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:36:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:36:33,809 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 2 proven. 648 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:36:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:36:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 460 states and 1016 transitions. [2022-12-15 01:36:52,706 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1016 transitions. [2022-12-15 01:36:52,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:36:52,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:36:52,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:36:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:36:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 2 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:37:17,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:37:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 468 states and 1031 transitions. [2022-12-15 01:37:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1031 transitions. [2022-12-15 01:37:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 01:37:17,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:37:17,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:37:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:37:22,815 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 2 proven. 722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:37:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:37:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 475 states and 1048 transitions. [2022-12-15 01:37:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1048 transitions. [2022-12-15 01:37:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:37:41,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:37:41,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:37:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:37:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 802 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:07,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 484 states and 1070 transitions. [2022-12-15 01:38:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1070 transitions. [2022-12-15 01:38:07,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 01:38:07,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:07,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:12,529 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 2 proven. 800 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:32,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:32,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 491 states and 1087 transitions. [2022-12-15 01:38:32,439 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1087 transitions. [2022-12-15 01:38:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-15 01:38:32,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:32,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 884 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 500 states and 1109 transitions. [2022-12-15 01:39:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1109 transitions. [2022-12-15 01:39:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-15 01:39:01,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 2 proven. 882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.