./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ --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 46bbe683d8965e9a855fbd780578b958a816bbdd25bc1fa0d6151e1b826f8669 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:22,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:22,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:22,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:22,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:22,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:22,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:22,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:22,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:22,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:22,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:22,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:22,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:22,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:22,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:22,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:22,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:22,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:22,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:22,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:22,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:22,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:22,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:22,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:22,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:22,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:22,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:22,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:22,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:22,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:22,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:22,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:22,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:22,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:22,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:22,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:22,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:22,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:22,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:22,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:22,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:22,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:17:22,924 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:22,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:22,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:22,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:22,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:22,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:22,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:17:22,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:22,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:22,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:22,927 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:17:22,927 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:17:22,927 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:17:22,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:22,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:22,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:22,928 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:22,928 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:22,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:22,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:22,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:22,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:22,929 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:22,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:22,929 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_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46bbe683d8965e9a855fbd780578b958a816bbdd25bc1fa0d6151e1b826f8669 [2021-11-22 23:17:23,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:23,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:23,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:23,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:23,289 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:23,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2021-11-22 23:17:23,389 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/data/9067ba3c9/1eeb1cb0dbbd4c8a8d93bd2fd84ddfb4/FLAGb35ee2e18 [2021-11-22 23:17:23,972 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:23,973 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i [2021-11-22 23:17:23,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/data/9067ba3c9/1eeb1cb0dbbd4c8a8d93bd2fd84ddfb4/FLAGb35ee2e18 [2021-11-22 23:17:24,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/data/9067ba3c9/1eeb1cb0dbbd4c8a8d93bd2fd84ddfb4 [2021-11-22 23:17:24,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:24,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:24,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:24,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:24,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:24,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149cb0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24, skipping insertion in model container [2021-11-22 23:17:24,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:24,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:24,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i[24361,24374] [2021-11-22 23:17:24,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:24,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:24,788 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/sv-benchmarks/c/list-simple/dll2n_prepend_equal.i[24361,24374] [2021-11-22 23:17:24,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:24,831 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:24,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24 WrapperNode [2021-11-22 23:17:24,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:24,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:24,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:24,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:24,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,918 INFO L137 Inliner]: procedures = 127, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2021-11-22 23:17:24,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:24,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:24,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:24,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:24,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:24,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:24,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:24,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:24,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:24" (1/1) ... [2021-11-22 23:17:24,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:24,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:25,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:25,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecd3264e-4d67-4ea2-b6b5-8b0ff6b009d5/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:25,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:17:25,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:17:25,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:17:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:25,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:17:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:17:25,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:17:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:17:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:17:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:25,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:25,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:25,194 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:25,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:25,586 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:25,646 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:25,646 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-22 23:17:25,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:25 BoogieIcfgContainer [2021-11-22 23:17:25,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:25,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:25,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:25,665 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:25,665 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:25" (1/1) ... [2021-11-22 23:17:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2021-11-22 23:17:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2021-11-22 23:17:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:17:25,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-22 23:17:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-22 23:17:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:17:26,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-22 23:17:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-22 23:17:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:17:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-22 23:17:26,364 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-22 23:17:26,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:17:26,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2021-11-22 23:17:26,415 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-11-22 23:17:26,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:17:26,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2021-11-22 23:17:26,506 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2021-11-22 23:17:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:17:26,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2021-11-22 23:17:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2021-11-22 23:17:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:17:26,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2021-11-22 23:17:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2021-11-22 23:17:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:26,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:26,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-11-22 23:17:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-11-22 23:17:26,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:26,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:26,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2021-11-22 23:17:27,296 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2021-11-22 23:17:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:27,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:27,419 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 94 states and 113 transitions. [2021-11-22 23:17:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 113 transitions. [2021-11-22 23:17:28,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:28,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:28,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:28,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 102 states and 130 transitions. [2021-11-22 23:17:29,028 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 130 transitions. [2021-11-22 23:17:29,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:29,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:29,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 104 states and 133 transitions. [2021-11-22 23:17:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 133 transitions. [2021-11-22 23:17:29,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:29,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:29,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:29,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 103 states and 132 transitions. [2021-11-22 23:17:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 132 transitions. [2021-11-22 23:17:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:29,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:29,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:29,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 102 states and 131 transitions. [2021-11-22 23:17:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2021-11-22 23:17:30,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:30,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:30,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 101 states and 130 transitions. [2021-11-22 23:17:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 130 transitions. [2021-11-22 23:17:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:30,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 100 states and 129 transitions. [2021-11-22 23:17:30,255 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 129 transitions. [2021-11-22 23:17:30,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:30,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 99 states and 128 transitions. [2021-11-22 23:17:30,303 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2021-11-22 23:17:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:30,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 98 states and 127 transitions. [2021-11-22 23:17:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 127 transitions. [2021-11-22 23:17:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:17:30,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:30,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 119 states and 174 transitions. [2021-11-22 23:17:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2021-11-22 23:17:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:17:33,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:17:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 140 states and 215 transitions. [2021-11-22 23:17:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 215 transitions. [2021-11-22 23:17:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:38,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 141 states and 217 transitions. [2021-11-22 23:17:39,004 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 217 transitions. [2021-11-22 23:17:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:39,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:39,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:41,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-22 23:17:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-22 23:17:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:17:41,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:41,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2021-11-22 23:17:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2021-11-22 23:17:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:42,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 67 states and 73 transitions. [2021-11-22 23:17:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2021-11-22 23:17:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:17:42,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:44,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2021-11-22 23:17:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2021-11-22 23:17:44,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:44,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2021-11-22 23:17:44,301 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2021-11-22 23:17:44,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:44,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-22 23:17:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-22 23:17:44,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:44,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:44,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-22 23:17:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-22 23:17:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:17:44,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:44,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-22 23:17:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-22 23:17:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:44,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-22 23:17:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-22 23:17:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:47,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 70 states and 84 transitions. [2021-11-22 23:17:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 84 transitions. [2021-11-22 23:17:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:50,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:57,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 69 states and 83 transitions. [2021-11-22 23:17:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 83 transitions. [2021-11-22 23:17:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:17:57,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:06,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 68 states and 82 transitions. [2021-11-22 23:18:06,448 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 82 transitions. [2021-11-22 23:18:06,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:06,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:06,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2021-11-22 23:18:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2021-11-22 23:18:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:06,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:06,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2021-11-22 23:18:07,589 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2021-11-22 23:18:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:07,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:07,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 68 states and 83 transitions. [2021-11-22 23:18:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 83 transitions. [2021-11-22 23:18:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:10,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:10,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 72 states and 92 transitions. [2021-11-22 23:18:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2021-11-22 23:18:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:16,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:18,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 71 states and 90 transitions. [2021-11-22 23:18:18,005 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2021-11-22 23:18:18,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:18,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 66 states and 78 transitions. [2021-11-22 23:18:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 78 transitions. [2021-11-22 23:18:19,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:19,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2021-11-22 23:18:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2021-11-22 23:18:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:26,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:26,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:26,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2021-11-22 23:18:26,187 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2021-11-22 23:18:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:18:26,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:26,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:28,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2021-11-22 23:18:28,582 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2021-11-22 23:18:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:28,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:28,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 66 states and 77 transitions. [2021-11-22 23:18:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2021-11-22 23:18:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:29,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:29,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 64 states and 74 transitions. [2021-11-22 23:18:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2021-11-22 23:18:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:18:30,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:30,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:18:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-22 23:18:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-22 23:18:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:18:41,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:18:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2021-11-22 23:18:42,366 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2021-11-22 23:18:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:18:42,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:42,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:18:58,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2021-11-22 23:18:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2021-11-22 23:18:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:18:58,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2021-11-22 23:19:20,616 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2021-11-22 23:19:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:19:20,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:20,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,164 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:19:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:34,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 73 states and 87 transitions. [2021-11-22 23:19:34,456 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2021-11-22 23:19:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:19:34,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:34,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:38,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:55,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2021-11-22 23:19:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2021-11-22 23:19:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:19:55,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2021-11-22 23:20:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2021-11-22 23:20:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:20:44,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 85 states and 106 transitions. [2021-11-22 23:21:34,900 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 106 transitions. [2021-11-22 23:21:34,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:21:34,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:46,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2021-11-22 23:22:37,935 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2021-11-22 23:22:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:22:37,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:37,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:43,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:43,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 93 states and 118 transitions. [2021-11-22 23:23:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2021-11-22 23:23:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:23:43,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:43,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:00,238 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:18,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 97 states and 124 transitions. [2021-11-22 23:25:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 124 transitions. [2021-11-22 23:25:18,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:25:18,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:18,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:57,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 110 states and 147 transitions. [2021-11-22 23:27:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 147 transitions. [2021-11-22 23:27:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:27:57,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:57,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 118 states and 158 transitions. [2021-11-22 23:28:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2021-11-22 23:28:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:28:22,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:22,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2021-11-22 23:28:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2021-11-22 23:28:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:28:28,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:28,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked.