./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:14:36,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:14:36,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:14:36,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:14:36,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:14:36,321 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:14:36,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:14:36,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:14:36,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:14:36,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:14:36,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:14:36,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:14:36,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:14:36,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:14:36,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:14:36,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:14:36,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:14:36,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:14:36,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:14:36,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:14:36,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:14:36,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:14:36,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:14:36,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:14:36,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:14:36,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:14:36,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:14:36,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:14:36,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:14:36,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:14:36,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:14:36,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:14:36,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:14:36,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:14:36,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:14:36,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:14:36,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:14:36,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:14:36,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:14:36,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:14:36,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:14:36,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:14:36,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:14:36,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:14:36,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:14:36,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:14:36,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:14:36,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:14:36,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:14:36,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:14:36,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:14:36,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:14:36,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:14:36,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:14:36,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:14:36,457 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:14:36,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:14:36,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:14:36,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:14:36,458 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:14:36,458 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:14:36,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:14:36,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:36,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:14:36,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:14:36,459 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:14:36,459 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:14:36,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:14:36,460 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:14:36,460 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_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2021-11-21 06:14:36,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:14:36,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:14:36,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:14:36,808 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:14:36,809 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:14:36,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-21 06:14:36,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/data/86c72dd85/afb9d193ec6246c2bdac869e249f9540/FLAGfaef538a8 [2021-11-21 06:14:37,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:14:37,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-21 06:14:37,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/data/86c72dd85/afb9d193ec6246c2bdac869e249f9540/FLAGfaef538a8 [2021-11-21 06:14:37,863 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/data/86c72dd85/afb9d193ec6246c2bdac869e249f9540 [2021-11-21 06:14:37,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:14:37,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:14:37,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:37,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:14:37,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:14:37,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:37" (1/1) ... [2021-11-21 06:14:37,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cf1c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:37, skipping insertion in model container [2021-11-21 06:14:37,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:14:37" (1/1) ... [2021-11-21 06:14:37,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:14:37,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:14:38,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:38,691 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:14:38,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:14:38,902 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:14:38,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38 WrapperNode [2021-11-21 06:14:38,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:14:38,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:38,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:14:38,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:14:38,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:38,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,031 INFO L137 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 279 [2021-11-21 06:14:39,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:14:39,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:14:39,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:14:39,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:14:39,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:14:39,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:14:39,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:14:39,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:14:39,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:14:38" (1/1) ... [2021-11-21 06:14:39,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:14:39,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:14:39,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:14:39,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:14:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 06:14:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 06:14:39,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:14:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:14:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:14:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:14:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-21 06:14:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:14:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-21 06:14:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:14:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:14:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:14:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:14:39,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:14:39,316 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:14:39,318 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:14:39,804 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:14:39,891 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:14:39,892 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-21 06:14:39,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:14:39 BoogieIcfgContainer [2021-11-21 06:14:39,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:14:39,895 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:14:39,895 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:14:39,906 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:14:39,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:14:39" (1/1) ... [2021-11-21 06:14:39,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:14:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2021-11-21 06:14:39,967 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2021-11-21 06:14:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:14:39,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:39,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:40,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:40,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-21 06:14:40,368 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-21 06:14:40,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:14:40,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:40,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:40,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2021-11-21 06:14:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2021-11-21 06:14:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:14:40,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:40,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:14:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:40,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-21 06:14:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-21 06:14:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 06:14:40,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:40,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:40,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:40,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:40,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2021-11-21 06:14:40,721 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2021-11-21 06:14:40,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:14:40,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:40,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-21 06:14:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-21 06:14:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 06:14:40,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:40,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:41,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:41,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2021-11-21 06:14:41,043 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2021-11-21 06:14:41,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 06:14:41,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:41,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:41,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:41,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-21 06:14:41,280 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-21 06:14:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 06:14:41,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:41,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-21 06:14:41,535 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-21 06:14:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 06:14:41,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:41,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2021-11-21 06:14:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2021-11-21 06:14:41,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:14:41,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:41,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2021-11-21 06:14:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2021-11-21 06:14:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 06:14:42,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:42,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:42,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2021-11-21 06:14:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2021-11-21 06:14:42,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:14:42,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:42,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2021-11-21 06:14:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2021-11-21 06:14:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 06:14:42,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:42,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:14:42,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 95 states and 106 transitions. [2021-11-21 06:14:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-21 06:14:42,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 06:14:42,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:42,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2021-11-21 06:14:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2021-11-21 06:14:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 06:14:42,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:42,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-21 06:14:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-21 06:14:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 06:14:43,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2021-11-21 06:14:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2021-11-21 06:14:43,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 06:14:43,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2021-11-21 06:14:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-11-21 06:14:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 06:14:43,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,553 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2021-11-21 06:14:43,607 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2021-11-21 06:14:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:14:43,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,674 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 66 states and 71 transitions. [2021-11-21 06:14:43,713 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2021-11-21 06:14:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:14:43,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2021-11-21 06:14:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-21 06:14:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 06:14:43,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:43,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-21 06:14:43,925 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-21 06:14:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:14:43,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:43,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 06:14:44,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2021-11-21 06:14:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2021-11-21 06:14:44,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:14:44,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:44,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-21 06:14:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-21 06:14:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:14:44,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:44,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 06:14:44,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2021-11-21 06:14:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-11-21 06:14:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:14:44,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:44,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:45,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:45,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-21 06:14:45,016 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-21 06:14:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 06:14:45,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:45,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:45,051 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 06:14:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-11-21 06:14:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-11-21 06:14:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:14:45,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:45,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 06:14:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-21 06:14:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-21 06:14:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:14:45,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:45,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:14:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-21 06:14:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-21 06:14:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:14:45,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:45,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2021-11-21 06:14:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-11-21 06:14:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-21 06:14:45,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:45,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-21 06:14:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:46,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2021-11-21 06:14:46,207 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-11-21 06:14:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:14:46,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:46,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:14:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2021-11-21 06:14:46,358 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2021-11-21 06:14:46,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:14:46,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:46,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-21 06:14:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2021-11-21 06:14:46,707 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2021-11-21 06:14:46,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 06:14:46,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:46,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:14:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:46,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2021-11-21 06:14:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2021-11-21 06:14:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 06:14:46,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:46,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:14:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2021-11-21 06:14:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2021-11-21 06:14:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:14:47,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:47,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-21 06:14:47,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:47,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2021-11-21 06:14:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2021-11-21 06:14:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:14:47,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:47,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-21 06:14:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:47,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2021-11-21 06:14:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2021-11-21 06:14:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 06:14:47,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:47,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-21 06:14:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-21 06:14:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-21 06:14:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:14:47,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:47,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 06:14:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2021-11-21 06:14:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2021-11-21 06:14:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-21 06:14:50,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:50,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 06:14:51,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2021-11-21 06:14:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2021-11-21 06:14:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:14:51,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:51,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 06:14:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2021-11-21 06:14:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2021-11-21 06:14:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:14:51,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:51,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 06:14:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-21 06:14:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-21 06:14:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 06:14:53,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:53,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-21 06:14:54,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2021-11-21 06:14:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2021-11-21 06:14:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 06:14:54,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:54,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-21 06:14:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:14:59,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2021-11-21 06:14:59,226 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-11-21 06:14:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-21 06:14:59,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:14:59,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:14:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:14:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-21 06:15:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:15:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2021-11-21 06:15:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-21 06:15:00,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 06:15:00,967 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2021-11-21 06:15:00,975 INFO L754 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2021-11-21 06:15:01,361 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-21 06:15:01,380 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-21 06:15:01,380 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-21 06:15:01,381 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-21 06:15:01,383 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-21 06:15:01,384 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-21 06:15:01,384 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-21 06:15:01,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:15:01 ImpRootNode [2021-11-21 06:15:01,385 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:15:01,386 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:15:01,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:15:01,386 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:15:01,387 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:14:39" (3/4) ... [2021-11-21 06:15:01,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 06:15:01,395 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-21 06:15:01,403 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-11-21 06:15:01,404 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-21 06:15:01,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-21 06:15:01,406 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 06:15:01,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 06:15:01,407 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 06:15:01,486 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:15:01,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:15:01,487 INFO L158 Benchmark]: Toolchain (without parser) took 23620.72ms. Allocated memory was 96.5MB in the beginning and 249.6MB in the end (delta: 153.1MB). Free memory was 73.1MB in the beginning and 120.9MB in the end (delta: -47.9MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,488 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:15:01,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1036.51ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 39.7MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.94ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 39.7MB in the beginning and 91.8MB in the end (delta: -52.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,489 INFO L158 Benchmark]: Boogie Preprocessor took 59.11ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,489 INFO L158 Benchmark]: RCFGBuilder took 801.94ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 61.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,490 INFO L158 Benchmark]: CodeCheck took 21490.11ms. Allocated memory was 117.4MB in the beginning and 249.6MB in the end (delta: 132.1MB). Free memory was 61.8MB in the beginning and 128.3MB in the end (delta: -66.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,490 INFO L158 Benchmark]: Witness Printer took 100.57ms. Allocated memory is still 249.6MB. Free memory was 128.3MB in the beginning and 120.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:15:01,493 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 2 procedures, 69 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 21.0s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4580 SdHoareTripleChecker+Valid, 18.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3366 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 15.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 3144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12113 IncrementalHoareTripleChecker+Invalid, 15257 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3144 mSolverCounterUnsat, 430 mSDtfsCounter, 12113 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10759 GetRequests, 10216 SyntacticMatches, 189 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57446 ImplicationChecksByTransitivity, 16.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1763 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1719 ConstructedInterpolants, 0 QuantifiedInterpolants, 2588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 44 InterpolantComputations, 19 PerfectInterpolantSequences, 4751/5312 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: 1325]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1325]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1332]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1332]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1333]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1340]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1340]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1335]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1335]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1192]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1192]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1197]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1197]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1202]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1206]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1206]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1213]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1213]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1236]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1344]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1344]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 1172]: Loop Invariant Derived loop invariant: argc <= 2147483646 - InvariantResult [Line: 1172]: Loop Invariant Derived loop invariant: argc <= 2147483646 - InvariantResult [Line: 1325]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 1340]: Loop Invariant Derived loop invariant: ((((((argc <= 2147483646 && 1 <= j) && i == 0) || (((argc <= 2147483646 && 1 < i) && j == 0) && i <= 2147483645)) || (((i <= 1 && argc <= 2147483646) && j == 0) && 1 <= i)) || ((argc <= 2147483646 && i == 0) && j == 0)) || (((argc <= 2147483646 && 1 < i) && 1 <= j) && i <= 2147483645)) || (((i <= 1 && argc <= 2147483646) && 1 <= j) && 1 <= i) - InvariantResult [Line: 1335]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1236]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1344]: Loop Invariant Derived loop invariant: (i == 0 && argc <= 2147483646) || (argc <= 2147483646 && 1 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 71.7MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1036.51ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 39.7MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.94ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 39.7MB in the beginning and 91.8MB in the end (delta: -52.1MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.11ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.94ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 61.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 21490.11ms. Allocated memory was 117.4MB in the beginning and 249.6MB in the end (delta: 132.1MB). Free memory was 61.8MB in the beginning and 128.3MB in the end (delta: -66.5MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Witness Printer took 100.57ms. Allocated memory is still 249.6MB. Free memory was 128.3MB in the beginning and 120.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 06:15:01,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb5c69fd-b17b-4838-a115-6cbda0bde3be/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE