./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/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_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1df58a12292e53aa25870e709e17978d63a0e61d4dd56fb439981d66ecb6b925 --- 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 16:52:36,030 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:36,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:36,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:36,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:36,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:36,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:36,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:36,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:36,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:36,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:36,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:36,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:36,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:36,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:36,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:36,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:36,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:36,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:36,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:36,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:36,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:36,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:36,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:36,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:36,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:36,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:36,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:36,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:36,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:36,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:36,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:36,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:36,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:36,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:36,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:36,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:36,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:36,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:36,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:36,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:36,180 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:52:36,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:36,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:36,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:36,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:36,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:36,230 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:36,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:52:36,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:36,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:36,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:36,232 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:52:36,233 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:52:36,233 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:52:36,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:36,233 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:36,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:36,234 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:36,234 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:36,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:36,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:36,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:36,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:36,236 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:36,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:36,236 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_e445d95f-5d00-4621-991a-13293cb5dc48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df58a12292e53aa25870e709e17978d63a0e61d4dd56fb439981d66ecb6b925 [2022-10-17 16:52:36,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:36,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:36,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:36,572 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:36,573 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:36,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2022-10-17 16:52:36,648 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/data/68bf98a53/f351f1370d7449408e02f6244c20b02f/FLAG5492f1aee [2022-10-17 16:52:37,245 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:37,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/sv-benchmarks/c/ldv-memsafety/memleaks_test18_3.i [2022-10-17 16:52:37,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/data/68bf98a53/f351f1370d7449408e02f6244c20b02f/FLAG5492f1aee [2022-10-17 16:52:37,543 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/data/68bf98a53/f351f1370d7449408e02f6244c20b02f [2022-10-17 16:52:37,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:37,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:37,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:37,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:37,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:37,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:37" (1/1) ... [2022-10-17 16:52:37,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70722102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:37, skipping insertion in model container [2022-10-17 16:52:37,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:37" (1/1) ... [2022-10-17 16:52:37,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:37,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:38,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:38,162 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:38,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:38,292 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:38,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38 WrapperNode [2022-10-17 16:52:38,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:38,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:38,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:38,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:38,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,347 INFO L138 Inliner]: procedures = 164, calls = 70, calls flagged for inlining = 30, calls inlined = 5, statements flattened = 52 [2022-10-17 16:52:38,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:38,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:38,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:38,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:38,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,375 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:38,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:38,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:38,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:38,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:38,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:38,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:38,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e445d95f-5d00-4621-991a-13293cb5dc48/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:52:38,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:52:38,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:38,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:38,620 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:38,622 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:38,769 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:38,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:38,858 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:38,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:38 BoogieIcfgContainer [2022-10-17 16:52:38,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:38,863 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:38,863 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:38,875 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:38,875 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:38" (1/1) ... [2022-10-17 16:52:38,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:38,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-10-17 16:52:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-10-17 16:52:38,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:38,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:38,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:39,361 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 16:52:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-10-17 16:52:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-10-17 16:52:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:39,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:39,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:39,964 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 16:52:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2022-10-17 16:52:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2022-10-17 16:52:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:40,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:40,504 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 16:52:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:40,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-10-17 16:52:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-10-17 16:52:40,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:52:40,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:40,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:40,691 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 16:52:41,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:41,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-10-17 16:52:41,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-10-17 16:52:41,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:41,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:41,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:41,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:41,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2022-10-17 16:52:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-10-17 16:52:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:41,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2022-10-17 16:52:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2022-10-17 16:52:42,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:42,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:42,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-10-17 16:52:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-10-17 16:52:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:42,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:42,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:42,777 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 16:52:43,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-10-17 16:52:43,114 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-10-17 16:52:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:52:43,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-10-17 16:52:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-10-17 16:52:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:52:44,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:44,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:52:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2022-10-17 16:52:45,513 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2022-10-17 16:52:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:52:45,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-10-17 16:52:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-10-17 16:52:45,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:52:45,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:45,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:46,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:46,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2022-10-17 16:52:46,307 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 16:52:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:52:46,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:46,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-10-17 16:52:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-10-17 16:52:47,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:52:47,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:47,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:48,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2022-10-17 16:52:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2022-10-17 16:52:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:52:48,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:48,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:48,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2022-10-17 16:52:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2022-10-17 16:52:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:52:48,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:48,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-10-17 16:52:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-10-17 16:52:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:52:49,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:49,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2022-10-17 16:52:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2022-10-17 16:52:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:52:49,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:49,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,657 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-10-17 16:52:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:52:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:52:51,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:51,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:52:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-10-17 16:52:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-10-17 16:52:51,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:51,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:51,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:52,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-10-17 16:52:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-10-17 16:52:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:52,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:52,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:52,601 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2022-10-17 16:52:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2022-10-17 16:52:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:52,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:52,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2022-10-17 16:52:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-10-17 16:52:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:53,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:54,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2022-10-17 16:52:54,236 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2022-10-17 16:52:54,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:54,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:55,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-10-17 16:52:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-10-17 16:52:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:56,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:56,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 16:52:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:57,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2022-10-17 16:52:57,078 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2022-10-17 16:52:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:57,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:57,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 44 states and 66 transitions. [2022-10-17 16:52:57,801 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2022-10-17 16:52:57,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:57,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:57,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:58,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:58,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2022-10-17 16:52:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2022-10-17 16:52:58,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:58,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:58,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:58,433 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:58,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:58,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2022-10-17 16:52:58,841 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2022-10-17 16:52:58,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:58,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:58,966 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 50 states and 74 transitions. [2022-10-17 16:52:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 74 transitions. [2022-10-17 16:52:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:59,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:59,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:00,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2022-10-17 16:53:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2022-10-17 16:53:00,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:53:00,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:00,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:02,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.