./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.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_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/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_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/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_1fe99482-eaab-4212-9bd3-fb4130f15f93/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 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 --- 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 16:42:11,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:11,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:11,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:11,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:11,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:11,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:11,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:11,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:11,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:11,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:11,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:11,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:11,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:11,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:11,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:11,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:11,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:11,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:11,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:11,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:11,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:11,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:11,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:11,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:11,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:11,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:11,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:11,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:11,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:11,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:11,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:11,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:11,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:11,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:11,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:11,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:11,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:11,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:11,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:11,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:11,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 16:42:11,998 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:12,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:12,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:12,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:12,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:12,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:12,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:42:12,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:12,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:12,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:12,007 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:42:12,007 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:42:12,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:12,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:12,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:12,008 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:12,008 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:12,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:12,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:12,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:12,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:12,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:12,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:12,010 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_1fe99482-eaab-4212-9bd3-fb4130f15f93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 [2022-10-17 16:42:12,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:12,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:12,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:12,329 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:12,330 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:12,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2022-10-17 16:42:12,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/data/932dd4657/83a4b1f534924b948f50a51305e2eefb/FLAG81c16d846 [2022-10-17 16:42:12,927 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:12,928 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2022-10-17 16:42:12,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/data/932dd4657/83a4b1f534924b948f50a51305e2eefb/FLAG81c16d846 [2022-10-17 16:42:13,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/data/932dd4657/83a4b1f534924b948f50a51305e2eefb [2022-10-17 16:42:13,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:13,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:13,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:13,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:13,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:13,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e7350f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13, skipping insertion in model container [2022-10-17 16:42:13,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:13,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:13,715 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_1fe99482-eaab-4212-9bd3-fb4130f15f93/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2022-10-17 16:42:13,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:13,735 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:13,806 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_1fe99482-eaab-4212-9bd3-fb4130f15f93/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2022-10-17 16:42:13,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:13,844 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:13,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13 WrapperNode [2022-10-17 16:42:13,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:13,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:13,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:13,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:13,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,904 INFO L138 Inliner]: procedures = 129, calls = 40, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 250 [2022-10-17 16:42:13,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:13,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:13,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:13,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:13,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:13,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:13,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:13,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:13,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:13" (1/1) ... [2022-10-17 16:42:13,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:13,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:14,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fe99482-eaab-4212-9bd3-fb4130f15f93/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:42:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:42:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:42:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:42:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:42:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:14,232 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:14,244 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:14,881 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:14,955 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:14,956 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-10-17 16:42:14,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:14 BoogieIcfgContainer [2022-10-17 16:42:14,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:14,960 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:14,960 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:14,971 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:14,971 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:14" (1/1) ... [2022-10-17 16:42:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 126 states and 149 transitions. [2022-10-17 16:42:15,037 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2022-10-17 16:42:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:42:15,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:15,357 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 16:42:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 127 states and 151 transitions. [2022-10-17 16:42:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2022-10-17 16:42:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:42:15,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:15,663 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 16:42:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 131 states and 160 transitions. [2022-10-17 16:42:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 160 transitions. [2022-10-17 16:42:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:42:15,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:15,905 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 16:42:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 130 states and 159 transitions. [2022-10-17 16:42:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2022-10-17 16:42:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:42:15,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:16,098 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 16:42:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 129 states and 158 transitions. [2022-10-17 16:42:16,229 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2022-10-17 16:42:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:42:16,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:16,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:16,394 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 16:42:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 136 states and 174 transitions. [2022-10-17 16:42:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 174 transitions. [2022-10-17 16:42:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:42:16,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:16,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:16,825 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 16:42:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 135 states and 173 transitions. [2022-10-17 16:42:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2022-10-17 16:42:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:42:16,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:16,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:16,961 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 16:42:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 139 states and 182 transitions. [2022-10-17 16:42:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2022-10-17 16:42:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:42:17,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:17,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:17,362 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 16:42:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 142 states and 187 transitions. [2022-10-17 16:42:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2022-10-17 16:42:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:42:17,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:17,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:42:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 144 states and 191 transitions. [2022-10-17 16:42:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 191 transitions. [2022-10-17 16:42:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:42:18,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:18,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:18,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 147 states and 198 transitions. [2022-10-17 16:42:18,568 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 198 transitions. [2022-10-17 16:42:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:42:18,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:18,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:18,631 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 150 states and 205 transitions. [2022-10-17 16:42:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 205 transitions. [2022-10-17 16:42:18,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:42:18,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:18,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:19,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:19,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2022-10-17 16:42:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2022-10-17 16:42:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:42:19,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:19,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:19,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 154 states and 210 transitions. [2022-10-17 16:42:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2022-10-17 16:42:19,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:42:19,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:19,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:42:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2022-10-17 16:42:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2022-10-17 16:42:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:42:19,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:19,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2022-10-17 16:42:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2022-10-17 16:42:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:42:20,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:20,527 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:42:20,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:20,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 155 states and 213 transitions. [2022-10-17 16:42:20,744 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2022-10-17 16:42:20,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:42:20,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:20,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:42:21,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:21,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 159 states and 218 transitions. [2022-10-17 16:42:21,251 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2022-10-17 16:42:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:42:21,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:21,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:42:23,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 212 transitions. [2022-10-17 16:42:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2022-10-17 16:42:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:42:23,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:23,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:23,725 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 163 states and 226 transitions. [2022-10-17 16:42:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2022-10-17 16:42:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:42:26,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:26,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:26,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 162 states and 225 transitions. [2022-10-17 16:42:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 225 transitions. [2022-10-17 16:42:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:42:26,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 163 states and 226 transitions. [2022-10-17 16:42:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2022-10-17 16:42:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:42:27,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:27,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 162 states and 225 transitions. [2022-10-17 16:42:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 225 transitions. [2022-10-17 16:42:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:42:27,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:27,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 163 states and 226 transitions. [2022-10-17 16:42:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2022-10-17 16:42:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:42:28,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:28,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:42:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 181 states and 265 transitions. [2022-10-17 16:42:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 265 transitions. [2022-10-17 16:42:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:42:33,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:33,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,527 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:42:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:40,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 199 states and 302 transitions. [2022-10-17 16:42:40,524 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 302 transitions. [2022-10-17 16:42:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:42:40,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:40,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:42:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 202 states and 307 transitions. [2022-10-17 16:42:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 307 transitions. [2022-10-17 16:42:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:42:40,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 201 states and 306 transitions. [2022-10-17 16:42:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 306 transitions. [2022-10-17 16:42:40,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:42:40,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:40,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:42,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 203 states and 310 transitions. [2022-10-17 16:42:42,121 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 310 transitions. [2022-10-17 16:42:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:42:42,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:42,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.