./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.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_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/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_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/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_b42e773c-0716-4781-a9c1-91977c2bdd39/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 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 --- 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 16:36:44,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:44,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:44,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:44,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:44,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:44,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:44,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:44,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:44,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:44,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:44,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:44,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:44,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:44,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:44,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:44,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:44,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:44,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:44,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:44,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:44,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:44,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:44,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:44,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:44,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:44,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:44,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:44,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:44,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:44,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:44,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:44,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:44,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:44,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:44,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:44,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:44,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:44,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:44,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:44,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:44,155 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 16:36:44,205 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:44,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:44,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:44,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:44,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:44,211 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:44,211 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:36:44,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:44,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:44,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:44,213 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:36:44,214 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:36:44,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:44,214 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:44,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:44,215 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:44,215 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:44,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:44,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:44,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:44,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:44,216 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:44,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:44,217 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_b42e773c-0716-4781-a9c1-91977c2bdd39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7887c90df48e0e32a16c0ae4217eb11a41b3b1af1e02493e847dc25239198c19 [2022-10-17 16:36:44,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:44,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:44,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:44,571 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:44,572 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:44,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-10-17 16:36:44,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/data/000dba6a0/88f3fbdb55b4486f8493b4459169f78d/FLAGc931b316b [2022-10-17 16:36:45,200 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:45,201 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i [2022-10-17 16:36:45,214 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/data/000dba6a0/88f3fbdb55b4486f8493b4459169f78d/FLAGc931b316b [2022-10-17 16:36:45,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/data/000dba6a0/88f3fbdb55b4486f8493b4459169f78d [2022-10-17 16:36:45,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:45,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:45,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:45,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:45,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:45,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:45" (1/1) ... [2022-10-17 16:36:45,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270663e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:45, skipping insertion in model container [2022-10-17 16:36:45,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:45" (1/1) ... [2022-10-17 16:36:45,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:45,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:45,972 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_b42e773c-0716-4781-a9c1-91977c2bdd39/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-10-17 16:36:45,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:46,002 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:46,065 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_b42e773c-0716-4781-a9c1-91977c2bdd39/sv-benchmarks/c/list-ext3-properties/dll_nullified-1.i[24046,24059] [2022-10-17 16:36:46,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:46,108 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:46,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46 WrapperNode [2022-10-17 16:36:46,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:46,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:46,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:46,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:46,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,193 INFO L138 Inliner]: procedures = 123, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-10-17 16:36:46,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:46,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:46,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:46,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:46,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:46,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:46,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:46,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:46,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:46" (1/1) ... [2022-10-17 16:36:46,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:46,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:46,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b42e773c-0716-4781-a9c1-91977c2bdd39/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:36:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:36:46,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:46,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:46,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:46,530 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:46,533 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:46,922 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:47,008 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:47,009 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:36:47,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:47 BoogieIcfgContainer [2022-10-17 16:36:47,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:47,013 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:47,013 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:47,030 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:47,030 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:47" (1/1) ... [2022-10-17 16:36:47,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:47,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:47,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-10-17 16:36:47,106 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-10-17 16:36:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:36:47,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:47,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:47,369 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 16:36:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:47,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 73 states and 84 transitions. [2022-10-17 16:36:47,421 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2022-10-17 16:36:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:36:47,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:47,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:47,535 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 16:36:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 72 states and 83 transitions. [2022-10-17 16:36:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2022-10-17 16:36:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:36:47,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:47,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:47,731 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 16:36:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:47,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 71 states and 82 transitions. [2022-10-17 16:36:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-10-17 16:36:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:47,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:47,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:47,909 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 16:36:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2022-10-17 16:36:47,929 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2022-10-17 16:36:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:36:47,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:47,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,034 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 16:36:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 69 states and 80 transitions. [2022-10-17 16:36:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2022-10-17 16:36:48,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:36:48,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,282 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 16:36:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 68 states and 79 transitions. [2022-10-17 16:36:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-10-17 16:36:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:36:48,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,398 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 16:36:48,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 67 states and 78 transitions. [2022-10-17 16:36:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 78 transitions. [2022-10-17 16:36:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:48,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,461 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 16:36:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 66 states and 77 transitions. [2022-10-17 16:36:48,490 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2022-10-17 16:36:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:48,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,599 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 16:36:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-10-17 16:36:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-10-17 16:36:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:48,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,790 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 16:36:48,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 64 states and 75 transitions. [2022-10-17 16:36:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2022-10-17 16:36:48,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:36:48,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:48,900 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 16:36:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2022-10-17 16:36:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2022-10-17 16:36:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:48,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:48,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:49,061 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 16:36:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-10-17 16:36:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-10-17 16:36:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:49,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:49,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:49,588 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 16:36:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2022-10-17 16:36:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2022-10-17 16:36:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:36:50,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:50,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 90 states and 114 transitions. [2022-10-17 16:36:51,320 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 114 transitions. [2022-10-17 16:36:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:36:51,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:51,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:53,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 100 states and 134 transitions. [2022-10-17 16:36:53,001 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 134 transitions. [2022-10-17 16:36:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:36:53,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:53,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:53,156 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:54,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:54,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 102 states and 137 transitions. [2022-10-17 16:36:54,051 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 137 transitions. [2022-10-17 16:36:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:36:54,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:54,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 112 states and 153 transitions. [2022-10-17 16:36:55,218 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2022-10-17 16:36:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:55,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:55,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 112 states and 152 transitions. [2022-10-17 16:36:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 152 transitions. [2022-10-17 16:36:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:55,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:55,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:56,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 112 states and 151 transitions. [2022-10-17 16:36:56,996 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 151 transitions. [2022-10-17 16:36:56,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:56,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 113 states and 159 transitions. [2022-10-17 16:36:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 159 transitions. [2022-10-17 16:36:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:57,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,794 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 115 states and 168 transitions. [2022-10-17 16:36:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2022-10-17 16:36:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:58,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,485 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:58,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 116 states and 171 transitions. [2022-10-17 16:36:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 171 transitions. [2022-10-17 16:36:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:58,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,034 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 117 states and 173 transitions. [2022-10-17 16:36:59,299 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 173 transitions. [2022-10-17 16:36:59,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:59,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 118 states and 175 transitions. [2022-10-17 16:36:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 175 transitions. [2022-10-17 16:36:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:36:59,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 118 states and 173 transitions. [2022-10-17 16:37:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 173 transitions. [2022-10-17 16:37:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:37:00,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:00,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 119 states and 176 transitions. [2022-10-17 16:37:00,770 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 176 transitions. [2022-10-17 16:37:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:37:00,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:37:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 120 states and 176 transitions. [2022-10-17 16:37:01,153 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 176 transitions. [2022-10-17 16:37:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:37:01,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,368 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:02,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 130 states and 192 transitions. [2022-10-17 16:37:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 192 transitions. [2022-10-17 16:37:02,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:37:02,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:37:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 132 states and 198 transitions. [2022-10-17 16:37:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 198 transitions. [2022-10-17 16:37:04,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:37:04,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:37:05,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2022-10-17 16:37:05,336 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2022-10-17 16:37:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:37:05,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:37:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 136 states and 205 transitions. [2022-10-17 16:37:06,634 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 205 transitions. [2022-10-17 16:37:06,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:37:06,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 146 states and 217 transitions. [2022-10-17 16:37:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 217 transitions. [2022-10-17 16:37:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:37:08,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,804 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:37:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2022-10-17 16:37:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2022-10-17 16:37:09,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:37:09,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:09,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:37:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2022-10-17 16:37:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2022-10-17 16:37:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:37:11,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,207 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:37:12,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 101 states and 112 transitions. [2022-10-17 16:37:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 112 transitions. [2022-10-17 16:37:12,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:37:12,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,201 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.