./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/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_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/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-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 f682d6a9f9df80cf11b356f08ea6be5ab5adaf1b414fc8a476877af8610cc552 --- 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 16:54:24,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:24,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:24,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:24,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:24,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:24,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:24,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:24,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:24,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:24,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:24,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:24,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:24,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:24,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:24,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:24,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:24,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:24,803 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:24,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:24,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:24,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:24,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:24,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:24,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:24,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:24,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:24,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:24,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:24,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:24,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:24,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:24,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:24,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:24,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:24,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:24,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:24,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:24,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:24,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:24,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:24,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:54:24,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:24,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:24,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:24,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:24,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:24,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:24,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:54:24,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:24,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:24,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:24,892 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:54:24,892 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:54:24,892 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:54:24,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:24,893 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:24,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:24,893 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:24,893 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:24,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:24,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:24,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:24,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:24,895 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:24,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:24,895 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_148139db-1477-40a4-95b5-54d93abed085/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f682d6a9f9df80cf11b356f08ea6be5ab5adaf1b414fc8a476877af8610cc552 [2022-10-17 16:54:25,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:25,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:25,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:25,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:25,174 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:25,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2022-10-17 16:54:25,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/data/7ad40bb49/d49f8ef903694ceabc116a6a3a3c2cd2/FLAG1fbf03507 [2022-10-17 16:54:25,824 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:25,826 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i [2022-10-17 16:54:25,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/data/7ad40bb49/d49f8ef903694ceabc116a6a3a3c2cd2/FLAG1fbf03507 [2022-10-17 16:54:26,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/data/7ad40bb49/d49f8ef903694ceabc116a6a3a3c2cd2 [2022-10-17 16:54:26,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:26,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:26,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:26,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:26,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:26,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d494ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26, skipping insertion in model container [2022-10-17 16:54:26,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:26,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:26,670 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_148139db-1477-40a4-95b5-54d93abed085/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i[24458,24471] [2022-10-17 16:54:26,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:26,694 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:26,750 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_148139db-1477-40a4-95b5-54d93abed085/sv-benchmarks/c/list-simple/sll2c_prepend_equal.i[24458,24471] [2022-10-17 16:54:26,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:26,783 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:26,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26 WrapperNode [2022-10-17 16:54:26,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:26,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:26,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:26,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:26,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,838 INFO L138 Inliner]: procedures = 127, calls = 43, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 169 [2022-10-17 16:54:26,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:26,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:26,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:26,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:26,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,887 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:26,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:26,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:26,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:26,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:26" (1/1) ... [2022-10-17 16:54:26,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:26,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:26,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:26,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_148139db-1477-40a4-95b5-54d93abed085/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:54:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:54:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:54:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:54:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:54:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:54:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:27,116 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:27,118 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:27,770 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:27,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:27,842 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:54:27,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:27 BoogieIcfgContainer [2022-10-17 16:54:27,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:27,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:27,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:27,858 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:27,858 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:27" (1/1) ... [2022-10-17 16:54:27,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 112 states and 124 transitions. [2022-10-17 16:54:27,927 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2022-10-17 16:54:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:54:27,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:27,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,180 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 16:54:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 111 states and 123 transitions. [2022-10-17 16:54:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2022-10-17 16:54:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:54:28,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,347 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 16:54:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 110 states and 122 transitions. [2022-10-17 16:54:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 122 transitions. [2022-10-17 16:54:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:54:28,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,532 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 16:54:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 109 states and 121 transitions. [2022-10-17 16:54:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2022-10-17 16:54:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:54:28,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,653 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 16:54:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 108 states and 120 transitions. [2022-10-17 16:54:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2022-10-17 16:54:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:54:28,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,801 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 16:54:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 109 states and 122 transitions. [2022-10-17 16:54:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2022-10-17 16:54:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:54:28,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,041 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 16:54:29,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 108 states and 121 transitions. [2022-10-17 16:54:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2022-10-17 16:54:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:54:29,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,183 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 16:54:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 107 states and 120 transitions. [2022-10-17 16:54:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 120 transitions. [2022-10-17 16:54:29,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:29,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,355 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 16:54:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 106 states and 119 transitions. [2022-10-17 16:54:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2022-10-17 16:54:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:54:29,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,513 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 16:54:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 105 states and 118 transitions. [2022-10-17 16:54:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 118 transitions. [2022-10-17 16:54:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:29,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,632 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 16:54:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 104 states and 117 transitions. [2022-10-17 16:54:29,666 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 117 transitions. [2022-10-17 16:54:29,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:54:29,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,805 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 16:54:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 103 states and 116 transitions. [2022-10-17 16:54:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 116 transitions. [2022-10-17 16:54:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:29,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 102 states and 115 transitions. [2022-10-17 16:54:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2022-10-17 16:54:30,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:54:30,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:30,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:32,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 101 states and 114 transitions. [2022-10-17 16:54:32,173 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 114 transitions. [2022-10-17 16:54:32,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:54:32,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 100 states and 113 transitions. [2022-10-17 16:54:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2022-10-17 16:54:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:54:32,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:32,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 99 states and 112 transitions. [2022-10-17 16:54:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2022-10-17 16:54:32,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:54:32,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 98 states and 111 transitions. [2022-10-17 16:54:32,451 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2022-10-17 16:54:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:54:32,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:32,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 97 states and 110 transitions. [2022-10-17 16:54:32,570 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2022-10-17 16:54:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:54:32,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 108 states and 129 transitions. [2022-10-17 16:54:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2022-10-17 16:54:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:54:35,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:35,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:39,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 95 states and 108 transitions. [2022-10-17 16:54:39,102 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2022-10-17 16:54:39,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:54:39,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 94 states and 107 transitions. [2022-10-17 16:54:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2022-10-17 16:54:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:54:39,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:39,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 93 states and 106 transitions. [2022-10-17 16:54:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2022-10-17 16:54:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:54:39,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:39,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2022-10-17 16:54:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2022-10-17 16:54:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:54:39,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:39,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 91 states and 104 transitions. [2022-10-17 16:54:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 104 transitions. [2022-10-17 16:54:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:39,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:39,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2022-10-17 16:54:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2022-10-17 16:54:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:43,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:48,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 93 states and 107 transitions. [2022-10-17 16:54:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2022-10-17 16:54:48,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:48,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:48,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:49,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 92 states and 106 transitions. [2022-10-17 16:54:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2022-10-17 16:54:49,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:54:49,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:49,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:52,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 91 states and 105 transitions. [2022-10-17 16:54:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2022-10-17 16:54:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:54:52,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:52,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:52,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:52,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 93 states and 109 transitions. [2022-10-17 16:54:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2022-10-17 16:54:52,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:54:52,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:52,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:53,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 95 states and 113 transitions. [2022-10-17 16:54:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 113 transitions. [2022-10-17 16:54:53,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:54:53,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:53,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.