./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:03,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:03,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:03,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:03,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:03,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:03,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:03,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:03,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:03,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:03,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:03,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:03,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:03,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:03,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:03,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:03,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:03,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:03,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:03,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:03,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:03,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:03,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:03,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:03,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:03,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:03,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:03,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:03,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:03,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:03,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:03,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:03,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:03,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:03,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:03,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:03,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:03,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:03,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:03,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:03,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:03,888 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 16:39:03,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:03,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:03,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:03,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:03,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:03,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:03,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:39:03,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:03,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:03,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:03,941 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:39:03,942 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:39:03,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:03,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:03,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:03,942 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:03,943 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:03,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:03,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:03,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:03,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:03,944 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:03,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:03,944 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_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e [2022-10-17 16:39:04,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:04,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:04,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:04,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:04,218 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:04,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/heap-manipulation/tree-4.i [2022-10-17 16:39:04,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/data/2747e3004/101d37d262ea4c88973f0bf88d91bac7/FLAG6026b2892 [2022-10-17 16:39:04,813 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:04,818 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/sv-benchmarks/c/heap-manipulation/tree-4.i [2022-10-17 16:39:04,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/data/2747e3004/101d37d262ea4c88973f0bf88d91bac7/FLAG6026b2892 [2022-10-17 16:39:05,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/data/2747e3004/101d37d262ea4c88973f0bf88d91bac7 [2022-10-17 16:39:05,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:05,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:05,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:05,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:05,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:05,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5633c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05, skipping insertion in model container [2022-10-17 16:39:05,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:05,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:05,744 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_5696b3e0-fac2-48ee-b0db-5910b606aade/sv-benchmarks/c/heap-manipulation/tree-4.i[22626,22639] [2022-10-17 16:39:05,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:05,803 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:05,846 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_5696b3e0-fac2-48ee-b0db-5910b606aade/sv-benchmarks/c/heap-manipulation/tree-4.i[22626,22639] [2022-10-17 16:39:05,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:05,907 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:05,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05 WrapperNode [2022-10-17 16:39:05,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:05,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:05,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:05,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:05,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,964 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 164 [2022-10-17 16:39:05,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:05,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:05,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:05,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:05,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:05,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:06,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:06,003 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:06,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:06,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:06,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:06,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:06,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:06,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:05" (1/1) ... [2022-10-17 16:39:06,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:06,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:06,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:06,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5696b3e0-fac2-48ee-b0db-5910b606aade/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:39:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:39:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:39:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:39:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:06,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:06,285 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:06,288 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:06,891 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:06,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:06,979 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:39:06,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:06 BoogieIcfgContainer [2022-10-17 16:39:06,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:06,983 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:06,983 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:06,993 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:06,994 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:06" (1/1) ... [2022-10-17 16:39:07,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:07,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 130 states and 151 transitions. [2022-10-17 16:39:07,070 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2022-10-17 16:39:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:07,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:07,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 129 states and 149 transitions. [2022-10-17 16:39:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2022-10-17 16:39:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:07,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:07,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 128 states and 148 transitions. [2022-10-17 16:39:07,516 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2022-10-17 16:39:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:07,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 131 states and 152 transitions. [2022-10-17 16:39:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2022-10-17 16:39:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:07,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 130 states and 151 transitions. [2022-10-17 16:39:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2022-10-17 16:39:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:39:07,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 129 states and 150 transitions. [2022-10-17 16:39:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2022-10-17 16:39:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:07,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2022-10-17 16:39:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2022-10-17 16:39:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:07,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:07,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:08,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 136 states and 163 transitions. [2022-10-17 16:39:08,015 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 163 transitions. [2022-10-17 16:39:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:08,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:08,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 139 states and 167 transitions. [2022-10-17 16:39:08,403 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 167 transitions. [2022-10-17 16:39:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:08,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 141 states and 167 transitions. [2022-10-17 16:39:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2022-10-17 16:39:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:08,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 143 states and 170 transitions. [2022-10-17 16:39:08,854 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2022-10-17 16:39:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:08,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:08,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:09,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 145 states and 175 transitions. [2022-10-17 16:39:09,043 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 175 transitions. [2022-10-17 16:39:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:09,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:09,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:09,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 144 states and 174 transitions. [2022-10-17 16:39:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 174 transitions. [2022-10-17 16:39:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:09,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:09,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 184 transitions. [2022-10-17 16:39:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 184 transitions. [2022-10-17 16:39:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:09,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:09,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2022-10-17 16:39:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2022-10-17 16:39:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:10,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 152 states and 190 transitions. [2022-10-17 16:39:10,220 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 190 transitions. [2022-10-17 16:39:10,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:10,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 158 states and 203 transitions. [2022-10-17 16:39:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 203 transitions. [2022-10-17 16:39:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:10,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 162 states and 210 transitions. [2022-10-17 16:39:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 210 transitions. [2022-10-17 16:39:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:11,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:11,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 220 transitions. [2022-10-17 16:39:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2022-10-17 16:39:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:12,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:12,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:12,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:12,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 166 states and 217 transitions. [2022-10-17 16:39:12,845 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 217 transitions. [2022-10-17 16:39:12,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:12,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:12,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:12,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 165 states and 216 transitions. [2022-10-17 16:39:12,892 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2022-10-17 16:39:12,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:12,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 166 states and 218 transitions. [2022-10-17 16:39:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2022-10-17 16:39:13,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:13,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:14,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:14,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 168 states and 222 transitions. [2022-10-17 16:39:14,077 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2022-10-17 16:39:14,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:14,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:14,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 170 states and 226 transitions. [2022-10-17 16:39:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 226 transitions. [2022-10-17 16:39:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:15,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:15,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:39:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:16,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 170 states and 225 transitions. [2022-10-17 16:39:16,126 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 225 transitions. [2022-10-17 16:39:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:16,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:16,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:16,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 170 states and 224 transitions. [2022-10-17 16:39:16,687 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 224 transitions. [2022-10-17 16:39:16,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:39:16,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:16,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 171 states and 226 transitions. [2022-10-17 16:39:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 226 transitions. [2022-10-17 16:39:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:39:17,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:17,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:17,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 173 states and 229 transitions. [2022-10-17 16:39:17,372 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 229 transitions. [2022-10-17 16:39:17,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:39:17,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:17,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:19,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 178 states and 237 transitions. [2022-10-17 16:39:19,244 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 237 transitions. [2022-10-17 16:39:19,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:39:19,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:19,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:19,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:20,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 180 states and 242 transitions. [2022-10-17 16:39:20,999 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 242 transitions. [2022-10-17 16:39:21,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:39:21,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:21,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 181 states and 244 transitions. [2022-10-17 16:39:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 244 transitions. [2022-10-17 16:39:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:39:21,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 183 states and 247 transitions. [2022-10-17 16:39:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 247 transitions. [2022-10-17 16:39:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:39:21,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:21,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:23,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:23,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 187 states and 256 transitions. [2022-10-17 16:39:23,801 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 256 transitions. [2022-10-17 16:39:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:39:23,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:25,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 189 states and 261 transitions. [2022-10-17 16:39:25,679 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2022-10-17 16:39:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:39:25,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:25,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 190 states and 263 transitions. [2022-10-17 16:39:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 263 transitions. [2022-10-17 16:39:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:39:26,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:26,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:26,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:26,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 192 states and 266 transitions. [2022-10-17 16:39:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 266 transitions. [2022-10-17 16:39:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:39:26,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:26,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:27,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 196 states and 275 transitions. [2022-10-17 16:39:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 275 transitions. [2022-10-17 16:39:29,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:39:29,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 198 states and 280 transitions. [2022-10-17 16:39:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 280 transitions. [2022-10-17 16:39:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:39:31,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:31,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:32,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 168 states and 224 transitions. [2022-10-17 16:39:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 224 transitions. [2022-10-17 16:39:32,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:32,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 169 states and 226 transitions. [2022-10-17 16:39:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 226 transitions. [2022-10-17 16:39:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:32,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.