./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/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_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ --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-aef121e [2021-11-23 00:24:26,194 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:24:26,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:24:26,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:24:26,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:24:26,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:24:26,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:24:26,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:24:26,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:24:26,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:24:26,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:24:26,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:24:26,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:24:26,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:24:26,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:24:26,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:24:26,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:24:26,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:24:26,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:24:26,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:24:26,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:24:26,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:24:26,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:24:26,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:24:26,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:24:26,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:24:26,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:24:26,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:24:26,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:24:26,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:24:26,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:24:26,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:24:26,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:24:26,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:24:26,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:24:26,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:24:26,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:24:26,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:24:26,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:24:26,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:24:26,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:24:26,276 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 00:24:26,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:24:26,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:24:26,302 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:24:26,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:24:26,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:24:26,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:24:26,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:24:26,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:24:26,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:24:26,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:24:26,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:24:26,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:24:26,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:24:26,305 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:24:26,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:24:26,306 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:24:26,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:24:26,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:24:26,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:24:26,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:24:26,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:26,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:24:26,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:24:26,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:24:26,308 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:24:26,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:24:26,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:24:26,308 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_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2021-11-23 00:24:26,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:24:26,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:24:26,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:24:26,594 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:24:26,596 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:24:26,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-23 00:24:26,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/data/b4fdcedcd/db0f85fd26ea426bab0bf7a2dd37dbcb/FLAG69883d83d [2021-11-23 00:24:27,282 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:24:27,282 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-23 00:24:27,300 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/data/b4fdcedcd/db0f85fd26ea426bab0bf7a2dd37dbcb/FLAG69883d83d [2021-11-23 00:24:27,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/data/b4fdcedcd/db0f85fd26ea426bab0bf7a2dd37dbcb [2021-11-23 00:24:27,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:24:27,491 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:24:27,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:27,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:24:27,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:24:27,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:27" (1/1) ... [2021-11-23 00:24:27,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eaa654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:27, skipping insertion in model container [2021-11-23 00:24:27,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:24:27" (1/1) ... [2021-11-23 00:24:27,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:24:27,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:24:28,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:28,495 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:24:28,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:24:28,664 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:24:28,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28 WrapperNode [2021-11-23 00:24:28,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:24:28,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:28,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:24:28,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:24:28,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,761 INFO L137 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 279 [2021-11-23 00:24:28,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:24:28,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:24:28,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:24:28,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:24:28,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:24:28,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:24:28,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:24:28,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:24:28,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:24:28" (1/1) ... [2021-11-23 00:24:28,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:24:28,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:24:28,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:24:28,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:24:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:24:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:24:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:24:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:24:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:24:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:24:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 00:24:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:24:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-23 00:24:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:24:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:24:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:24:28,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:24:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:24:29,113 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:24:29,115 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:24:29,642 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:24:29,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:24:29,762 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-23 00:24:29,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:29 BoogieIcfgContainer [2021-11-23 00:24:29,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:24:29,768 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:24:29,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:24:29,779 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:24:29,780 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:29" (1/1) ... [2021-11-23 00:24:29,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:24:29,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2021-11-23 00:24:29,848 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2021-11-23 00:24:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 00:24:29,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:29,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:30,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-23 00:24:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-23 00:24:30,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:24:30,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:30,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2021-11-23 00:24:30,261 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2021-11-23 00:24:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:24:30,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:24:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2021-11-23 00:24:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2021-11-23 00:24:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:24:30,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:30,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2021-11-23 00:24:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2021-11-23 00:24:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:24:30,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:30,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2021-11-23 00:24:30,693 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2021-11-23 00:24:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:24:30,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2021-11-23 00:24:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2021-11-23 00:24:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:24:30,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:30,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:30,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:31,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2021-11-23 00:24:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2021-11-23 00:24:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:24:31,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:31,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:31,213 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-23 00:24:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-23 00:24:31,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:24:31,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:31,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:31,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2021-11-23 00:24:31,553 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2021-11-23 00:24:31,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:24:31,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:31,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2021-11-23 00:24:31,755 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2021-11-23 00:24:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:24:31,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:31,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:32,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2021-11-23 00:24:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2021-11-23 00:24:32,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:24:32,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:32,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2021-11-23 00:24:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2021-11-23 00:24:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:24:32,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:32,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 95 states and 106 transitions. [2021-11-23 00:24:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2021-11-23 00:24:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:24:32,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:32,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:32,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:32,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2021-11-23 00:24:32,687 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2021-11-23 00:24:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:24:32,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:32,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:32,783 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-23 00:24:32,844 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-23 00:24:32,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:24:32,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:32,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2021-11-23 00:24:33,003 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2021-11-23 00:24:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:24:33,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2021-11-23 00:24:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-11-23 00:24:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:24:33,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2021-11-23 00:24:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2021-11-23 00:24:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:24:33,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 66 states and 71 transitions. [2021-11-23 00:24:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2021-11-23 00:24:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:24:33,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2021-11-23 00:24:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2021-11-23 00:24:33,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:24:33,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-23 00:24:33,590 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-23 00:24:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:24:33,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,655 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:24:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2021-11-23 00:24:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2021-11-23 00:24:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:24:33,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:33,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:33,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2021-11-23 00:24:33,810 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2021-11-23 00:24:33,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:24:33,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:33,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:24:34,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:34,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2021-11-23 00:24:34,212 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2021-11-23 00:24:34,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:24:34,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:34,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:34,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-23 00:24:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-23 00:24:34,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:24:34,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:34,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:24:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-11-23 00:24:34,784 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-11-23 00:24:34,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:24:34,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:34,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 00:24:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:35,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2021-11-23 00:24:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2021-11-23 00:24:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:24:35,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:35,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:24:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:35,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2021-11-23 00:24:35,310 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-11-23 00:24:35,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:24:35,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:35,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:35,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:35,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2021-11-23 00:24:35,546 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2021-11-23 00:24:35,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:24:35,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:35,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-11-23 00:24:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2021-11-23 00:24:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2021-11-23 00:24:36,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:24:36,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:36,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:36,108 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:24:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2021-11-23 00:24:36,181 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2021-11-23 00:24:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:24:36,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:36,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-11-23 00:24:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2021-11-23 00:24:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2021-11-23 00:24:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:24:36,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:36,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:36,554 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:24:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2021-11-23 00:24:36,567 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2021-11-23 00:24:36,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:24:36,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:36,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:24:36,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2021-11-23 00:24:36,821 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2021-11-23 00:24:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:24:36,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:36,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-23 00:24:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2021-11-23 00:24:37,057 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2021-11-23 00:24:37,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:24:37,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:37,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-23 00:24:37,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:37,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2021-11-23 00:24:37,448 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2021-11-23 00:24:37,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:24:37,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:37,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-11-23 00:24:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2021-11-23 00:24:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2021-11-23 00:24:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:24:37,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:37,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:24:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:40,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2021-11-23 00:24:40,046 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2021-11-23 00:24:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:24:40,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:40,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:24:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2021-11-23 00:24:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2021-11-23 00:24:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:24:41,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:41,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:41,557 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:24:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2021-11-23 00:24:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2021-11-23 00:24:41,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:24:41,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:41,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-23 00:24:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2021-11-23 00:24:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-11-23 00:24:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:24:43,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:43,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-23 00:24:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2021-11-23 00:24:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2021-11-23 00:24:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:24:44,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:44,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-23 00:24:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2021-11-23 00:24:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2021-11-23 00:24:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:24:48,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:48,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2021-11-23 00:24:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2021-11-23 00:24:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-23 00:24:50,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:24:50,457 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2021-11-23 00:24:50,465 INFO L754 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2021-11-23 00:24:50,844 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:24:50,851 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:24:50,851 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-23 00:24:50,851 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2021-11-23 00:24:50,853 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:24:50,854 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:24:50,858 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2021-11-23 00:24:50,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:24:50 ImpRootNode [2021-11-23 00:24:50,859 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:24:50,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:24:50,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:24:50,860 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:24:50,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:24:29" (3/4) ... [2021-11-23 00:24:50,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:24:50,869 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 00:24:50,878 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-11-23 00:24:50,879 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2021-11-23 00:24:50,880 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:24:50,881 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:24:50,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:24:50,882 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:24:50,965 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:24:50,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:24:50,966 INFO L158 Benchmark]: Toolchain (without parser) took 23475.59ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 104.0MB in the beginning and 91.6MB in the end (delta: 12.4MB). Peak memory consumption was 162.3MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,967 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 132.1MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:50,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.03ms. Allocated memory is still 132.1MB. Free memory was 103.5MB in the beginning and 75.4MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.11ms. Allocated memory is still 132.1MB. Free memory was 75.4MB in the beginning and 71.8MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,968 INFO L158 Benchmark]: Boogie Preprocessor took 62.21ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 69.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,968 INFO L158 Benchmark]: RCFGBuilder took 941.51ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 69.6MB in the beginning and 146.6MB in the end (delta: -77.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,969 INFO L158 Benchmark]: CodeCheck took 21091.85ms. Allocated memory was 184.5MB in the beginning and 281.0MB in the end (delta: 96.5MB). Free memory was 146.6MB in the beginning and 99.0MB in the end (delta: 47.7MB). Peak memory consumption was 143.0MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,969 INFO L158 Benchmark]: Witness Printer took 105.80ms. Allocated memory is still 281.0MB. Free memory was 99.0MB in the beginning and 91.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:24:50,971 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: 20.7s, 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, 17.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3366 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 14.0s 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, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10759 GetRequests, 10216 SyntacticMatches, 189 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57446 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.4s 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 1.36ms. Allocated memory is still 132.1MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.03ms. Allocated memory is still 132.1MB. Free memory was 103.5MB in the beginning and 75.4MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.11ms. Allocated memory is still 132.1MB. Free memory was 75.4MB in the beginning and 71.8MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.21ms. Allocated memory is still 132.1MB. Free memory was 71.8MB in the beginning and 69.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 941.51ms. Allocated memory was 132.1MB in the beginning and 184.5MB in the end (delta: 52.4MB). Free memory was 69.6MB in the beginning and 146.6MB in the end (delta: -77.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * CodeCheck took 21091.85ms. Allocated memory was 184.5MB in the beginning and 281.0MB in the end (delta: 96.5MB). Free memory was 146.6MB in the beginning and 99.0MB in the end (delta: 47.7MB). Peak memory consumption was 143.0MB. Max. memory is 16.1GB. * Witness Printer took 105.80ms. Allocated memory is still 281.0MB. Free memory was 99.0MB in the beginning and 91.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:24:51,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e36223a-6dc0-4046-aa02-0b315d13a1fe/bin/ukojak-LBtLqBUTdQ/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