./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/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_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:57:09,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:57:09,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:57:09,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:57:09,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:57:09,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:57:09,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:57:09,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:57:09,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:57:09,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:57:09,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:57:09,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:57:09,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:57:09,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:57:09,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:57:09,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:57:09,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:57:09,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:57:09,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:57:09,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:57:09,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:57:09,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:57:09,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:57:09,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:57:09,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:57:09,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:57:09,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:57:09,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:57:09,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:57:09,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:57:09,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:57:09,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:57:09,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:57:09,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:57:09,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:57:09,796 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:57:09,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:57:09,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:57:09,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:57:09,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:57:09,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:57:09,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-25 06:57:09,852 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:57:09,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:57:09,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:57:09,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:57:09,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:57:09,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:57:09,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:57:09,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:57:09,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:57:09,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:57:09,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:57:09,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:57:09,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:57:09,856 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:57:09,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:57:09,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:57:09,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:57:09,857 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:57:09,857 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:57:09,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:57:09,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:57:09,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:57:09,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:57:09,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:57:09,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:57:09,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:57:09,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:57:09,859 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_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2021-11-25 06:57:10,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:57:10,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:57:10,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:57:10,181 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:57:10,182 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:57:10,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-25 06:57:10,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/data/4ba2a6a6f/221925cdf813449384b3a073e8cc96ed/FLAGfa7651e38 [2021-11-25 06:57:11,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:57:11,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-25 06:57:11,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/data/4ba2a6a6f/221925cdf813449384b3a073e8cc96ed/FLAGfa7651e38 [2021-11-25 06:57:11,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/data/4ba2a6a6f/221925cdf813449384b3a073e8cc96ed [2021-11-25 06:57:11,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:57:11,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:57:11,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:57:11,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:57:11,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:57:11,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:57:11" (1/1) ... [2021-11-25 06:57:11,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fa5f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:11, skipping insertion in model container [2021-11-25 06:57:11,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:57:11" (1/1) ... [2021-11-25 06:57:11,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:57:11,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:57:12,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:57:12,072 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:57:12,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:57:12,287 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:57:12,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12 WrapperNode [2021-11-25 06:57:12,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:57:12,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:57:12,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:57:12,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:57:12,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,405 INFO L137 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 279 [2021-11-25 06:57:12,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:57:12,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:57:12,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:57:12,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:57:12,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:57:12,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:57:12,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:57:12,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:57:12,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:57:12" (1/1) ... [2021-11-25 06:57:12,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:57:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:57:12,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:57:12,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:57:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 06:57:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 06:57:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:57:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:57:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:57:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:57:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-25 06:57:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:57:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-25 06:57:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:57:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:57:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:57:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:57:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:57:12,738 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:57:12,740 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:57:13,209 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:57:13,318 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:57:13,320 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-25 06:57:13,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:57:13 BoogieIcfgContainer [2021-11-25 06:57:13,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:57:13,325 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:57:13,326 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:57:13,337 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:57:13,337 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:57:13" (1/1) ... [2021-11-25 06:57:13,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:57:13,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2021-11-25 06:57:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2021-11-25 06:57:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 06:57:13,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:13,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:13,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:13,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-25 06:57:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-25 06:57:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:57:13,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:13,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:13,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:13,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2021-11-25 06:57:13,858 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2021-11-25 06:57:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:57:13,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:13,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:57:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:13,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-25 06:57:13,972 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-25 06:57:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:57:13,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:13,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:14,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2021-11-25 06:57:14,187 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2021-11-25 06:57:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:57:14,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:14,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:14,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-25 06:57:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-25 06:57:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:57:14,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:14,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2021-11-25 06:57:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2021-11-25 06:57:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 06:57:14,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:14,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:14,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-25 06:57:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-25 06:57:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:57:14,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:14,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-25 06:57:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-25 06:57:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:57:14,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:14,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2021-11-25 06:57:15,191 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2021-11-25 06:57:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:57:15,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:15,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2021-11-25 06:57:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2021-11-25 06:57:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:57:15,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:15,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2021-11-25 06:57:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2021-11-25 06:57:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:57:15,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:15,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:16,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2021-11-25 06:57:16,067 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2021-11-25 06:57:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 06:57:16,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:16,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:57:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 95 states and 106 transitions. [2021-11-25 06:57:16,251 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-25 06:57:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 06:57:16,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:16,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:16,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2021-11-25 06:57:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2021-11-25 06:57:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:57:16,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:16,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-25 06:57:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-25 06:57:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:57:16,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:16,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:16,715 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2021-11-25 06:57:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2021-11-25 06:57:16,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-25 06:57:16,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:16,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:16,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2021-11-25 06:57:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-11-25 06:57:16,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-25 06:57:16,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:16,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,100 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2021-11-25 06:57:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2021-11-25 06:57:17,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:57:17,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:17,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 66 states and 71 transitions. [2021-11-25 06:57:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2021-11-25 06:57:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:57:17,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:17,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,372 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2021-11-25 06:57:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-25 06:57:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:57:17,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:17,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:17,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:17,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-25 06:57:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-25 06:57:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:57:17,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:17,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 06:57:17,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:17,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2021-11-25 06:57:17,722 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2021-11-25 06:57:17,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:57:17,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:17,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:17,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-25 06:57:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-25 06:57:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:57:17,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:17,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:17,929 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 06:57:18,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2021-11-25 06:57:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-11-25 06:57:18,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:57:18,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:18,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-25 06:57:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-25 06:57:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-25 06:57:18,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:18,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 06:57:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-11-25 06:57:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-11-25 06:57:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:57:18,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:18,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-25 06:57:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-25 06:57:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-25 06:57:19,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:57:19,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:19,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 06:57:19,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:19,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-25 06:57:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-25 06:57:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:57:19,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:19,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:19,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2021-11-25 06:57:19,762 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-11-25 06:57:19,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-25 06:57:19,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:19,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:19,863 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-25 06:57:20,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:20,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2021-11-25 06:57:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-11-25 06:57:20,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:57:20,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:20,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 06:57:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2021-11-25 06:57:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2021-11-25 06:57:20,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:57:20,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:20,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-25 06:57:20,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2021-11-25 06:57:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2021-11-25 06:57:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 06:57:20,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:20,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 06:57:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2021-11-25 06:57:20,915 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2021-11-25 06:57:20,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-25 06:57:20,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:20,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:21,031 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 06:57:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:21,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2021-11-25 06:57:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2021-11-25 06:57:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:57:21,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:21,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:21,325 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-25 06:57:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:21,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2021-11-25 06:57:21,522 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2021-11-25 06:57:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:57:21,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:21,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-25 06:57:21,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:21,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2021-11-25 06:57:21,928 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2021-11-25 06:57:21,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 06:57:21,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:21,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:22,035 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-25 06:57:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-25 06:57:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-25 06:57:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:57:22,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:22,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-25 06:57:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2021-11-25 06:57:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2021-11-25 06:57:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:57:24,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:24,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-25 06:57:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:26,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2021-11-25 06:57:26,486 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2021-11-25 06:57:26,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:57:26,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:26,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-25 06:57:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:26,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2021-11-25 06:57:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2021-11-25 06:57:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:57:26,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:26,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-25 06:57:28,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:28,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-25 06:57:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-25 06:57:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:57:28,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:28,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:28,921 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-25 06:57:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2021-11-25 06:57:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2021-11-25 06:57:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:57:29,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:29,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-25 06:57:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2021-11-25 06:57:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-11-25 06:57:34,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 06:57:34,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:57:34,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:57:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:57:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-25 06:57:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:57:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2021-11-25 06:57:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-25 06:57:36,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 06:57:36,285 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2021-11-25 06:57:36,295 INFO L754 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2021-11-25 06:57:36,778 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-25 06:57:36,786 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-25 06:57:36,786 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-25 06:57:36,787 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-25 06:57:36,789 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-25 06:57:36,790 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-25 06:57:36,791 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-25 06:57:36,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:57:36 ImpRootNode [2021-11-25 06:57:36,792 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:57:36,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:57:36,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:57:36,793 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:57:36,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:57:13" (3/4) ... [2021-11-25 06:57:36,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 06:57:36,802 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-25 06:57:36,811 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-11-25 06:57:36,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-25 06:57:36,813 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 06:57:36,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 06:57:36,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 06:57:36,815 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 06:57:36,892 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:57:36,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:57:36,894 INFO L158 Benchmark]: Toolchain (without parser) took 25670.02ms. Allocated memory was 102.8MB in the beginning and 274.7MB in the end (delta: 172.0MB). Free memory was 72.5MB in the beginning and 191.9MB in the end (delta: -119.5MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-11-25 06:57:36,894 INFO L158 Benchmark]: CDTParser took 1.61ms. Allocated memory is still 102.8MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:57:36,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1063.07ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 72.3MB in the beginning and 88.0MB in the end (delta: -15.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2021-11-25 06:57:36,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.70ms. Allocated memory is still 130.0MB. Free memory was 88.0MB in the beginning and 84.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 06:57:36,895 INFO L158 Benchmark]: Boogie Preprocessor took 61.33ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:57:36,896 INFO L158 Benchmark]: RCFGBuilder took 854.34ms. Allocated memory is still 130.0MB. Free memory was 82.4MB in the beginning and 54.4MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-25 06:57:36,896 INFO L158 Benchmark]: CodeCheck took 23466.34ms. Allocated memory was 130.0MB in the beginning and 274.7MB in the end (delta: 144.7MB). Free memory was 54.4MB in the beginning and 198.2MB in the end (delta: -143.8MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2021-11-25 06:57:36,897 INFO L158 Benchmark]: Witness Printer took 100.68ms. Allocated memory is still 274.7MB. Free memory was 198.2MB in the beginning and 191.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 06:57:36,899 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: 22.9s, 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, 17.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3366 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 14.4s 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, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10759 GetRequests, 10216 SyntacticMatches, 189 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57446 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s 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 1.61ms. Allocated memory is still 102.8MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1063.07ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 72.3MB in the beginning and 88.0MB in the end (delta: -15.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.70ms. Allocated memory is still 130.0MB. Free memory was 88.0MB in the beginning and 84.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.33ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 854.34ms. Allocated memory is still 130.0MB. Free memory was 82.4MB in the beginning and 54.4MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 23466.34ms. Allocated memory was 130.0MB in the beginning and 274.7MB in the end (delta: 144.7MB). Free memory was 54.4MB in the beginning and 198.2MB in the end (delta: -143.8MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. * Witness Printer took 100.68ms. Allocated memory is still 274.7MB. Free memory was 198.2MB in the beginning and 191.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 06:57:36,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd733365-e6ef-4269-911a-54b596195736/bin/ukojak-d1pc8ZmBRL/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