./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b 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_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- 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-6b4ec56 [2022-11-20 18:14:28,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:14:28,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:14:28,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:14:28,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:14:28,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:14:28,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:14:28,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:14:28,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:14:28,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:14:28,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:14:28,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:14:28,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:14:28,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:14:28,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:14:28,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:14:28,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:14:28,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:14:28,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:14:28,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:14:28,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:14:28,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:14:28,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:14:28,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:14:28,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:14:28,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:14:28,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:14:28,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:14:28,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:14:28,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:14:28,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:14:28,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:14:28,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:14:28,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:14:28,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:14:28,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:14:28,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:14:28,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:14:28,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:14:28,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:14:28,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:14:28,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 18:14:28,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:14:28,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:14:28,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:14:28,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:14:28,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:14:28,878 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 18:14:28,878 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:14:28,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:14:28,878 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 18:14:28,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:14:28,880 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 18:14:28,880 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 18:14:28,880 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 18:14:28,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:14:28,880 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 18:14:28,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:14:28,881 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:14:28,881 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:14:28,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:14:28,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:14:28,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:14:28,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:14:28,882 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:14:28,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:14:28,882 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_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2022-11-20 18:14:29,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:14:29,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:14:29,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:14:29,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:14:29,243 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:14:29,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2022-11-20 18:14:32,333 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:14:32,591 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:14:32,591 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2022-11-20 18:14:32,615 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/data/fc54bfbb0/69347c29cc7948049a5d078690213c4a/FLAG20c7a9f5e [2022-11-20 18:14:32,628 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/data/fc54bfbb0/69347c29cc7948049a5d078690213c4a [2022-11-20 18:14:32,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:14:32,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:14:32,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:14:32,634 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:14:32,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:14:32,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:32" (1/1) ... [2022-11-20 18:14:32,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fda8d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:32, skipping insertion in model container [2022-11-20 18:14:32,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:14:32" (1/1) ... [2022-11-20 18:14:32,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:14:32,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:14:33,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:14:33,041 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:14:33,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:14:33,103 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:14:33,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33 WrapperNode [2022-11-20 18:14:33,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:14:33,105 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:14:33,105 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:14:33,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:14:33,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,148 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-11-20 18:14:33,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:14:33,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:14:33,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:14:33,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:14:33,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,174 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:14:33,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:14:33,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:14:33,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:14:33,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:14:33,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:14:33,214 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:14:33,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6edf335-6af3-4ec8-b655-1bbf76b45a18/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:14:33,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:14:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:14:33,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:14:33,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:14:33,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:14:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:14:33,382 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:14:33,384 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:14:33,719 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:14:33,777 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:14:33,777 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 18:14:33,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:33 BoogieIcfgContainer [2022-11-20 18:14:33,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:14:33,781 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:14:33,781 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:14:33,792 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:14:33,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:14:33" (1/1) ... [2022-11-20 18:14:33,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:14:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 18:14:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 18:14:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 18:14:33,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:33,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 18:14:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 18:14:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:14:34,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:34,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:34,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 18:14:34,432 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 18:14:34,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:14:34,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:34,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:34,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 18:14:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 18:14:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:14:35,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:35,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-11-20 18:14:35,495 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-11-20 18:14:35,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 18:14:35,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:35,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:35,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:36,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-11-20 18:14:36,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-11-20 18:14:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:14:36,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:36,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:36,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:36,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-11-20 18:14:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-11-20 18:14:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 18:14:36,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:36,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:37,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:37,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2022-11-20 18:14:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2022-11-20 18:14:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:14:37,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:37,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:37,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2022-11-20 18:14:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2022-11-20 18:14:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:14:38,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:40,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:40,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2022-11-20 18:14:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-11-20 18:14:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:14:40,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:43,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2022-11-20 18:14:43,093 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2022-11-20 18:14:43,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 18:14:43,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:43,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:45,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2022-11-20 18:14:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2022-11-20 18:14:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:14:45,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:45,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:14:45,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2022-11-20 18:14:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2022-11-20 18:14:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:14:45,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:45,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2022-11-20 18:14:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2022-11-20 18:14:48,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:14:48,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:48,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:14:49,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 72 transitions. [2022-11-20 18:14:49,654 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-11-20 18:14:49,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:14:49,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:49,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:53,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:53,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2022-11-20 18:14:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2022-11-20 18:14:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:14:53,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:53,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:54,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:56,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 91 transitions. [2022-11-20 18:14:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 91 transitions. [2022-11-20 18:14:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:14:56,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:56,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:14:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:14:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 44 states and 91 transitions. [2022-11-20 18:14:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 91 transitions. [2022-11-20 18:14:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:14:58,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:14:58,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:14:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:14:59,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:02,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:02,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 49 states and 106 transitions. [2022-11-20 18:15:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2022-11-20 18:15:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:02,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:07,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:07,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 54 states and 114 transitions. [2022-11-20 18:15:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 114 transitions. [2022-11-20 18:15:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:07,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:07,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:15:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 55 states and 114 transitions. [2022-11-20 18:15:09,083 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 114 transitions. [2022-11-20 18:15:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:15:09,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:09,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 57 states and 119 transitions. [2022-11-20 18:15:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 119 transitions. [2022-11-20 18:15:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:15:12,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:12,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:15:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:16,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 126 transitions. [2022-11-20 18:15:16,014 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 126 transitions. [2022-11-20 18:15:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:15:16,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:16,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:15:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 60 states and 128 transitions. [2022-11-20 18:15:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 128 transitions. [2022-11-20 18:15:17,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 18:15:17,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:17,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 65 states and 138 transitions. [2022-11-20 18:15:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 138 transitions. [2022-11-20 18:15:23,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:15:23,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:23,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:26,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2022-11-20 18:15:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2022-11-20 18:15:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:15:26,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:26,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:15:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2022-11-20 18:15:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2022-11-20 18:15:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:15:27,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:27,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:15:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2022-11-20 18:15:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2022-11-20 18:15:40,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:15:40,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:40,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:40,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:15:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2022-11-20 18:15:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2022-11-20 18:15:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:15:42,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 18:15:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:15:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 53 states and 83 transitions. [2022-11-20 18:15:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 83 transitions. [2022-11-20 18:15:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:15:48,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:15:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:15:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:15:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 94 transitions. [2022-11-20 18:16:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 94 transitions. [2022-11-20 18:16:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:16:01,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:01,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:16:16,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:16,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2022-11-20 18:16:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2022-11-20 18:16:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:16:16,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:16,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2022-11-20 18:16:33,011 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2022-11-20 18:16:33,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:16:33,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:33,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 18:16:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 67 states and 111 transitions. [2022-11-20 18:16:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 111 transitions. [2022-11-20 18:16:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:16:33,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:33,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:16:59,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:16:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 77 states and 133 transitions. [2022-11-20 18:16:59,624 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2022-11-20 18:16:59,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:16:59,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:16:59,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:16:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:16:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 18:17:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:03,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 81 states and 139 transitions. [2022-11-20 18:17:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 139 transitions. [2022-11-20 18:17:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:17:03,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:03,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:26,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 151 transitions. [2022-11-20 18:17:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2022-11-20 18:17:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:17:26,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:30,552 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:17:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 93 states and 163 transitions. [2022-11-20 18:17:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 163 transitions. [2022-11-20 18:17:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:17:52,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:52,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:17:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-20 18:17:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:17:58,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 97 states and 171 transitions. [2022-11-20 18:17:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 171 transitions. [2022-11-20 18:17:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:17:58,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:17:58,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:17:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 107 states and 191 transitions. [2022-11-20 18:18:26,477 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 191 transitions. [2022-11-20 18:18:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 18:18:26,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:26,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:18:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:18:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 117 states and 210 transitions. [2022-11-20 18:18:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 210 transitions. [2022-11-20 18:18:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:18:59,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:18:59,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:18:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:18:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 18:19:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:01,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2022-11-20 18:19:01,223 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2022-11-20 18:19:01,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:19:01,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:01,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-20 18:19:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 214 transitions. [2022-11-20 18:19:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 214 transitions. [2022-11-20 18:19:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 18:19:05,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:05,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 129 states and 235 transitions. [2022-11-20 18:19:43,564 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 235 transitions. [2022-11-20 18:19:43,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 18:19:43,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:43,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:19:48,037 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:19:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:19:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 125 states and 226 transitions. [2022-11-20 18:19:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 226 transitions. [2022-11-20 18:19:55,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:19:55,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:19:55,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:19:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:09,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 215 transitions. [2022-11-20 18:20:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 215 transitions. [2022-11-20 18:20:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:20:09,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 5 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:20:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:20:45,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 131 states and 236 transitions. [2022-11-20 18:20:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 236 transitions. [2022-11-20 18:20:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 18:20:45,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:20:45,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:20:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:20:48,830 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 246 transitions. [2022-11-20 18:21:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2022-11-20 18:21:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 18:21:21,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:23,197 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 9 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:21:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:54,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 256 transitions. [2022-11-20 18:21:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2022-11-20 18:21:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 18:21:54,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:54,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:22:35,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:22:35,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 153 states and 278 transitions. [2022-11-20 18:22:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 278 transitions. [2022-11-20 18:22:35,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 18:22:35,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:22:35,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:22:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:22:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 16 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:23:24,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:23:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 163 states and 297 transitions. [2022-11-20 18:23:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 297 transitions. [2022-11-20 18:23:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 18:23:24,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:23:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:23:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:23:34,511 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 16 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 173 states and 320 transitions. [2022-11-20 18:24:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 320 transitions. [2022-11-20 18:24:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-20 18:24:28,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:28,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:24:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:24:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:24:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 169 states and 311 transitions. [2022-11-20 18:24:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 311 transitions. [2022-11-20 18:24:52,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:24:52,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:24:52,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:24:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:25:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:18,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 165 states and 298 transitions. [2022-11-20 18:25:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 298 transitions. [2022-11-20 18:25:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:25:18,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:18,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:26:11,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:26:11,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 175 states and 321 transitions. [2022-11-20 18:26:11,778 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 321 transitions. [2022-11-20 18:26:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 18:26:11,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:26:11,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:26:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:26:16,277 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 25 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:27:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:27:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 181 states and 331 transitions. [2022-11-20 18:27:03,619 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 331 transitions. [2022-11-20 18:27:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 18:27:03,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:27:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:27:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:27:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 25 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:28:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:02,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 187 states and 341 transitions. [2022-11-20 18:28:02,355 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 341 transitions. [2022-11-20 18:28:02,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 18:28:02,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:02,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 8 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.