./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI --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 64bit --witnessprinter.graph.data.programhash 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:05:39,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:05:39,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:05:39,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:05:39,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:05:39,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:05:39,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:05:39,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:05:39,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:05:39,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:05:39,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:05:39,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:05:39,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:05:39,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:05:39,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:05:39,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:05:39,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:05:39,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:05:39,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:05:39,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:05:39,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:05:39,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:05:39,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:05:39,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:05:39,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:05:39,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:05:39,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:05:39,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:05:39,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:05:39,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:05:39,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:05:39,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:05:39,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:05:39,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:05:39,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:05:39,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:05:39,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:05:39,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:05:39,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:05:39,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:05:39,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:05:39,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-10-29 04:05:39,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:05:39,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:05:39,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:05:39,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:05:39,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:05:39,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:05:39,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:05:39,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:05:39,997 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:05:39,997 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:05:39,998 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:05:39,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:05:39,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:05:39,999 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:05:39,999 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:05:39,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:05:40,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:40,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:05:40,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:05:40,000 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:05:40,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:05:40,001 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_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e6a17b7d4143542ba439290f9741c160a8cb32cc90a0cc2a238a67702990ba0 [2021-10-29 04:05:40,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:05:40,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:05:40,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:05:40,327 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:05:40,328 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:05:40,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-10-29 04:05:40,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/data/65fbe4e77/eb245a805a154b5191337644994aa93c/FLAGcbd2ea576 [2021-10-29 04:05:40,851 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:05:40,854 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2021-10-29 04:05:40,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/data/65fbe4e77/eb245a805a154b5191337644994aa93c/FLAGcbd2ea576 [2021-10-29 04:05:41,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/data/65fbe4e77/eb245a805a154b5191337644994aa93c [2021-10-29 04:05:41,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:05:41,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:05:41,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:41,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:05:41,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:05:41,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44493493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41, skipping insertion in model container [2021-10-29 04:05:41,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:05:41,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:05:41,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:41,473 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:05:41,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:41,501 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:05:41,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41 WrapperNode [2021-10-29 04:05:41,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:41,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:41,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:05:41,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:05:41,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:41,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:05:41,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:05:41,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:05:41,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:05:41,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:05:41,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:05:41,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:05:41,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:41" (1/1) ... [2021-10-29 04:05:41,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:41,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:05:41,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:05:41,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:05:41,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:05:41,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:05:41,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:05:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:05:41,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:05:41,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:05:42,022 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:05:42,025 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 04:05:42,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:42 BoogieIcfgContainer [2021-10-29 04:05:42,038 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:05:42,039 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:05:42,040 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:05:42,050 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:05:42,064 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:42" (1/1) ... [2021-10-29 04:05:42,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:05:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-10-29 04:05:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-10-29 04:05:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:05:42,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:42,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:42,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-10-29 04:05:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-10-29 04:05:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:05:42,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:42,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-10-29 04:05:42,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-10-29 04:05:42,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:05:42,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:42,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-10-29 04:05:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-10-29 04:05:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:05:42,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:42,817 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-10-29 04:05:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-10-29 04:05:43,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:05:43,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:43,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-10-29 04:05:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-10-29 04:05:43,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 04:05:43,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:43,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:43,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:44,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-10-29 04:05:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-10-29 04:05:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:05:44,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:44,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:44,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:44,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-10-29 04:05:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-10-29 04:05:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:05:44,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:44,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:45,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:45,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-10-29 04:05:45,409 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-10-29 04:05:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:05:45,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:45,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:45,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:45,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2021-10-29 04:05:45,441 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-10-29 04:05:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:05:45,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:45,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2021-10-29 04:05:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-10-29 04:05:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:05:45,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:45,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:45,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2021-10-29 04:05:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2021-10-29 04:05:46,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:05:46,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:46,350 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:47,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:47,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 54 states and 75 transitions. [2021-10-29 04:05:47,492 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2021-10-29 04:05:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:05:47,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:47,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 56 states and 80 transitions. [2021-10-29 04:05:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2021-10-29 04:05:48,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:05:48,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:48,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2021-10-29 04:05:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-29 04:05:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:05:48,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:48,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:48,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-10-29 04:05:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-10-29 04:05:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:05:48,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:48,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-10-29 04:05:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-10-29 04:05:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:05:48,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:48,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:48,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2021-10-29 04:05:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2021-10-29 04:05:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:05:48,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:05:48,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 57 states and 82 transitions. [2021-10-29 04:05:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-29 04:05:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:05:48,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:48,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:05:49,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2021-10-29 04:05:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2021-10-29 04:05:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:05:49,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:49,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:49,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:50,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 97 transitions. [2021-10-29 04:05:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2021-10-29 04:05:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:05:50,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:50,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:52,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2021-10-29 04:05:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2021-10-29 04:05:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:05:52,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:52,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:52,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:52,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 72 states and 108 transitions. [2021-10-29 04:05:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 108 transitions. [2021-10-29 04:05:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:05:52,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:52,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2021-10-29 04:05:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2021-10-29 04:05:52,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:05:52,694 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:52,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 73 states and 110 transitions. [2021-10-29 04:05:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2021-10-29 04:05:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:05:52,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:52,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:52,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:52,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 115 transitions. [2021-10-29 04:05:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2021-10-29 04:05:52,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:05:52,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:52,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:55,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2021-10-29 04:05:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2021-10-29 04:05:55,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:05:55,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:55,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:55,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2021-10-29 04:05:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2021-10-29 04:05:57,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:05:57,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:57,019 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:59,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 97 states and 159 transitions. [2021-10-29 04:05:59,532 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 159 transitions. [2021-10-29 04:05:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:05:59,533 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:59,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:06:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2021-10-29 04:06:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2021-10-29 04:06:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:06:00,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:00,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:06:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 173 transitions. [2021-10-29 04:06:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2021-10-29 04:06:01,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:01,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:01,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:01,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:01,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2021-10-29 04:06:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2021-10-29 04:06:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:01,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:01,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 106 states and 175 transitions. [2021-10-29 04:06:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 175 transitions. [2021-10-29 04:06:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:02,193 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:02,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:02,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 105 states and 174 transitions. [2021-10-29 04:06:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 174 transitions. [2021-10-29 04:06:02,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:02,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:02,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:02,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 107 states and 177 transitions. [2021-10-29 04:06:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 177 transitions. [2021-10-29 04:06:02,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:02,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:02,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:02,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 106 states and 176 transitions. [2021-10-29 04:06:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 176 transitions. [2021-10-29 04:06:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:02,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:02,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:02,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 184 transitions. [2021-10-29 04:06:02,394 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2021-10-29 04:06:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:02,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:02,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:06:03,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 186 transitions. [2021-10-29 04:06:03,049 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2021-10-29 04:06:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:03,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:03,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:06:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 191 transitions. [2021-10-29 04:06:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 191 transitions. [2021-10-29 04:06:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:03,485 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:03,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:04,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2021-10-29 04:06:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2021-10-29 04:06:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:04,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:04,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 207 transitions. [2021-10-29 04:06:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 207 transitions. [2021-10-29 04:06:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:04,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:04,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:06:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 122 states and 207 transitions. [2021-10-29 04:06:04,622 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2021-10-29 04:06:04,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:04,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:04,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:06:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2021-10-29 04:06:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2021-10-29 04:06:04,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:04,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:04,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 131 states and 221 transitions. [2021-10-29 04:06:10,388 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2021-10-29 04:06:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:06:10,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:10,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:10,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 223 transitions. [2021-10-29 04:06:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2021-10-29 04:06:10,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:06:10,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:10,901 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:06:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-10-29 04:06:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-10-29 04:06:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:06:11,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:11,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:06:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:11,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 136 states and 227 transitions. [2021-10-29 04:06:11,611 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2021-10-29 04:06:11,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 04:06:11,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:11,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:06:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:12,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 140 states and 232 transitions. [2021-10-29 04:06:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 232 transitions. [2021-10-29 04:06:12,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:06:12,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:12,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:06:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 142 states and 234 transitions. [2021-10-29 04:06:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 234 transitions. [2021-10-29 04:06:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:06:12,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:12,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:06:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 144 states and 236 transitions. [2021-10-29 04:06:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 236 transitions. [2021-10-29 04:06:12,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:06:12,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:12,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 151 states and 248 transitions. [2021-10-29 04:06:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 248 transitions. [2021-10-29 04:06:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:06:17,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:17,924 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:22,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 156 states and 253 transitions. [2021-10-29 04:06:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 253 transitions. [2021-10-29 04:06:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:06:22,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:22,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:22,535 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 04:06:23,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 157 states and 256 transitions. [2021-10-29 04:06:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 256 transitions. [2021-10-29 04:06:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:06:23,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:23,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 160 states and 260 transitions. [2021-10-29 04:06:25,814 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 260 transitions. [2021-10-29 04:06:25,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:06:25,814 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:25,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:25,832 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 04:06:26,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:26,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 161 states and 260 transitions. [2021-10-29 04:06:26,177 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2021-10-29 04:06:26,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-29 04:06:26,178 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:26,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-10-29 04:06:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-10-29 04:06:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 04:06:37,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:37,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:45,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 179 states and 288 transitions. [2021-10-29 04:06:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 288 transitions. [2021-10-29 04:06:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:06:45,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:45,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:13,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 203 states and 326 transitions. [2021-10-29 04:07:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 326 transitions. [2021-10-29 04:07:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:07:13,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:13,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:14,123 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 207 states and 329 transitions. [2021-10-29 04:07:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 329 transitions. [2021-10-29 04:07:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-29 04:07:18,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:18,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:22,107 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:33,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 211 states and 334 transitions. [2021-10-29 04:07:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 334 transitions. [2021-10-29 04:07:33,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-29 04:07:33,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:33,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:36,709 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 207 states and 328 transitions. [2021-10-29 04:07:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 328 transitions. [2021-10-29 04:07:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:07:43,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:43,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:47,179 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:08:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:27,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 235 states and 369 transitions. [2021-10-29 04:08:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 369 transitions. [2021-10-29 04:08:27,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:08:27,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:27,472 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:29,218 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:08:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 239 states and 372 transitions. [2021-10-29 04:08:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 372 transitions. [2021-10-29 04:08:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:08:34,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:34,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 04:08:38,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 242 states and 375 transitions. [2021-10-29 04:08:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 375 transitions. [2021-10-29 04:08:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-29 04:08:38,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:38,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 04:08:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:42,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 242 states and 374 transitions. [2021-10-29 04:08:42,467 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 374 transitions. [2021-10-29 04:08:42,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:08:42,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:42,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:43,901 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 04:08:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:54,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 246 states and 377 transitions. [2021-10-29 04:08:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2021-10-29 04:08:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-10-29 04:08:54,426 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:54,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:55,732 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-29 04:09:05,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 252 states and 384 transitions. [2021-10-29 04:09:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 384 transitions. [2021-10-29 04:09:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 04:09:05,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:05,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:09:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:18,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 258 states and 391 transitions. [2021-10-29 04:09:18,840 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 391 transitions. [2021-10-29 04:09:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 04:09:18,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:18,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:09:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:35,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 261 states and 393 transitions. [2021-10-29 04:09:35,199 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 393 transitions. [2021-10-29 04:09:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-10-29 04:09:35,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:35,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-29 04:09:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 261 states and 392 transitions. [2021-10-29 04:09:41,584 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 392 transitions. [2021-10-29 04:09:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-29 04:09:41,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:41,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-10-29 04:09:58,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 267 states and 399 transitions. [2021-10-29 04:09:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 399 transitions. [2021-10-29 04:09:58,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-29 04:09:58,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:58,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 42 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:10:08,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 267 states and 398 transitions. [2021-10-29 04:10:08,213 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 398 transitions. [2021-10-29 04:10:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-29 04:10:08,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:08,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 59 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 04:10:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 273 states and 403 transitions. [2021-10-29 04:10:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 403 transitions. [2021-10-29 04:10:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-10-29 04:10:25,201 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:25,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-10-29 04:10:32,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:10:32,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 274 states and 402 transitions. [2021-10-29 04:10:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 402 transitions. [2021-10-29 04:10:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-10-29 04:10:32,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:10:32,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:10:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:10:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 94 proven. 33 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-29 04:11:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:11:04,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 280 states and 409 transitions. [2021-10-29 04:11:04,579 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 409 transitions. [2021-10-29 04:11:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:11:04,581 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:11:04,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:11:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:11:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 04:13:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:13:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 326 states and 482 transitions. [2021-10-29 04:13:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 482 transitions. [2021-10-29 04:13:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-10-29 04:13:46,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:13:46,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:13:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:13:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 88 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-29 04:14:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 334 states and 489 transitions. [2021-10-29 04:14:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 489 transitions. [2021-10-29 04:14:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 04:14:06,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:06,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:06,996 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 106 proven. 28 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-10-29 04:14:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 340 states and 496 transitions. [2021-10-29 04:14:28,492 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 496 transitions. [2021-10-29 04:14:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-10-29 04:14:28,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:28,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 79 proven. 40 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-29 04:14:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:14:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 343 states and 499 transitions. [2021-10-29 04:14:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 499 transitions. [2021-10-29 04:14:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 04:14:36,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:14:36,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:14:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:14:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 145 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-29 04:15:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 361 states and 521 transitions. [2021-10-29 04:15:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 521 transitions. [2021-10-29 04:15:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-10-29 04:15:30,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:15:30,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:15:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:15:33,541 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 145 proven. 30 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-10-29 04:15:43,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:15:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 69 states and 68 transitions. [2021-10-29 04:15:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 68 transitions. [2021-10-29 04:15:43,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:15:43,547 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 81 iterations. [2021-10-29 04:15:43,559 INFO L759 CodeCheckObserver]: All specifications hold 31 specifications checked. All of them hold [2021-10-29 04:15:53,316 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 04:15:53,326 INFO L565 CodeCheckObserver]: Invariant with dag size 120 [2021-10-29 04:15:53,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:15:53 ImpRootNode [2021-10-29 04:15:53,368 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:15:53,369 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:15:53,369 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:15:53,369 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:15:53,370 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:42" (3/4) ... [2021-10-29 04:15:53,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:15:53,383 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-29 04:15:53,383 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 04:15:53,383 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 04:15:53,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 0]][x2][x2] == 0)) && 0 == x3) || ((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && unknown-#memory_int-unknown[x0][x0] == 1) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x0][x0] == 0) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x0 == x3)) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && 0 == x3)) || ((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && !(unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0)) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0)) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0) && 1 == \valid[x2]) && 0 == x3) [2021-10-29 04:15:53,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 04:15:53,427 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:15:53,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:15:53,429 INFO L168 Benchmark]: Toolchain (without parser) took 612185.75 ms. Allocated memory was 117.4 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 82.5 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 598.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:53,429 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 91.3 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:53,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.46 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 92.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:53,430 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.52 ms. Allocated memory is still 117.4 MB. Free memory was 92.2 MB in the beginning and 91.3 MB in the end (delta: 979.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:53,431 INFO L168 Benchmark]: Boogie Preprocessor took 22.34 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 90.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:15:53,431 INFO L168 Benchmark]: RCFGBuilder took 478.28 ms. Allocated memory is still 117.4 MB. Free memory was 90.0 MB in the beginning and 76.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:53,432 INFO L168 Benchmark]: CodeCheck took 611328.95 ms. Allocated memory was 117.4 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 76.1 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2021-10-29 04:15:53,432 INFO L168 Benchmark]: Witness Printer took 58.46 ms. Allocated memory is still 3.4 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:15:53,435 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 54 locations, 31 error locations. Started 1 CEGAR loops. OverallTime: 601.4s, OverallIterations: 81, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1652016844 SDslu, 1969226240 SDs, 0 SdLazy, -1209919716 SolverSat, -2053852788 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 110.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17541 GetRequests, 15121 SyntacticMatches, 860 SemanticMatches, 1560 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1452351 ImplicationChecksByTransitivity, 586.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 78.2s InterpolantComputationTime, 2004 NumberOfCodeBlocks, 2004 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 1924 ConstructedInterpolants, 0 QuantifiedInterpolants, 32668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 80 InterpolantComputations, 53 PerfectInterpolantSequences, 1757/2294 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 11]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 14]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 20]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 21]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 23]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 24]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 27]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 28]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && !(unknown-#memory_int-unknown[x0][x0] == 0)) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 0]][x2][x2] == 0)) && 0 == x3) || ((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && \valid[x3] == 1) && unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && unknown-#memory_int-unknown[x0][x0] == 1) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x0][x0] == 0) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(x0 == x3)) && !(x3 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0] && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x3][x3] == 0)) && 0 == x3)) || ((((((((((((((((((((((((x1 == 0 && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(x2 == x1)) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && !(unknown-#memory_int-unknown[x0 := unknown-#memory_int-unknown[x0][x0 := 1]][x1][x1] == 0)) && !(unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0)) && !(x2 == x0)) && 4 + x3 <= unknown-#length-unknown[x3]) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && 1 == \valid[x2]) && 0 == x3)) || (((((((((((((((((((((((!(x2 == x3) && x1 == 0) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0][__builtin_alloca(sizeof(int)) := 0]) && x2 + 4 <= unknown-#length-unknown[x2]) && x0 == 0) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(unknown-#memory_int-unknown[x1 := unknown-#memory_int-unknown[x1][x1 := 1]][x0][x0] == 0)) && x0 + 4 <= unknown-#length-unknown[x0]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x1] == 1) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && \valid[x0] == 1) && x2 == 0) && !(x0 == x1)) && \valid[x3] == 1) && 4 + x3 <= unknown-#length-unknown[x3]) && !(unknown-#memory_int-unknown[x2 := unknown-#memory_int-unknown[x2][x2 := 0]][x1][x1] == 0)) && x1 + 4 <= unknown-#length-unknown[x1]) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && !(__builtin_alloca(sizeof(int)) == __builtin_alloca(sizeof(int)))) && unknown-#memory_int-unknown[x3 := unknown-#memory_int-unknown[x3][x3 := 0]][x2][x2] == 0) && 1 == \valid[x2]) && 0 == x3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 91.3 MB in the end (delta: 26.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.46 ms. Allocated memory is still 117.4 MB. Free memory was 82.3 MB in the beginning and 92.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.52 ms. Allocated memory is still 117.4 MB. Free memory was 92.2 MB in the beginning and 91.3 MB in the end (delta: 979.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.34 ms. Allocated memory is still 117.4 MB. Free memory was 91.3 MB in the beginning and 90.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 478.28 ms. Allocated memory is still 117.4 MB. Free memory was 90.0 MB in the beginning and 76.1 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 611328.95 ms. Allocated memory was 117.4 MB in the beginning and 3.4 GB in the end (delta: 3.3 GB). Free memory was 76.1 MB in the beginning and 2.8 GB in the end (delta: -2.7 GB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 58.46 ms. Allocated memory is still 3.4 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:15:53,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8e19a-09d5-46e8-a536-3507d470331e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...