./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/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_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:22:24,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:22:24,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:22:24,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:22:24,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:22:24,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:22:24,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:22:24,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:22:24,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:22:24,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:22:24,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:22:24,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:22:24,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:22:24,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:22:24,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:22:24,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:22:24,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:22:24,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:22:24,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:22:24,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:22:24,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:22:24,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:22:24,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:22:24,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:22:24,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:22:24,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:22:24,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:22:24,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:22:24,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:22:24,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:22:24,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:22:24,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:22:24,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:22:24,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:22:24,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:22:24,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:22:24,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:22:24,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:22:24,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:22:24,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:22:24,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:22:24,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:22:24,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:22:24,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:22:24,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:22:24,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:22:24,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:22:24,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:22:24,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:22:24,384 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:22:24,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:22:24,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:22:24,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:22:24,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:22:24,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:22:24,386 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:22:24,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:22:24,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:22:24,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:22:24,387 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:22:24,388 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:22:24,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:22:24,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:24,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:22:24,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:22:24,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:22:24,389 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:22:24,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:22:24,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:22:24,389 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_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2022-11-21 23:22:24,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:22:24,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:22:24,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:22:24,700 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:22:24,703 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:22:24,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2022-11-21 23:22:27,782 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:22:28,124 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:22:28,125 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2022-11-21 23:22:28,149 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/data/5f29c199b/c38af54ac37441b980ab241e4fcff0d1/FLAG5f181e6d8 [2022-11-21 23:22:28,165 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/data/5f29c199b/c38af54ac37441b980ab241e4fcff0d1 [2022-11-21 23:22:28,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:22:28,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:22:28,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:28,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:22:28,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:22:28,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:28" (1/1) ... [2022-11-21 23:22:28,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7637b01f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:28, skipping insertion in model container [2022-11-21 23:22:28,177 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:28" (1/1) ... [2022-11-21 23:22:28,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:22:28,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:22:28,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:28,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:22:29,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:29,185 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:22:29,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29 WrapperNode [2022-11-21 23:22:29,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:29,188 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:29,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:22:29,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:22:29,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,265 INFO L138 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 271 [2022-11-21 23:22:29,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:29,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:22:29,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:22:29,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:22:29,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:22:29,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:22:29,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:22:29,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:22:29,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:29" (1/1) ... [2022-11-21 23:22:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:29,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:22:29,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:22:29,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:22:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:22:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:22:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:22:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:22:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-21 23:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-21 23:22:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:22:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 23:22:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:22:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:22:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:22:29,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:22:29,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:22:30,132 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:22:30,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:22:30,260 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-21 23:22:30,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:30 BoogieIcfgContainer [2022-11-21 23:22:30,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:22:30,264 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:22:30,264 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:22:30,275 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:22:30,276 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:30" (1/1) ... [2022-11-21 23:22:30,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:22:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 69 states and 81 transitions. [2022-11-21 23:22:30,341 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 81 transitions. [2022-11-21 23:22:30,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:22:30,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:30,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-11-21 23:22:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-11-21 23:22:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:22:30,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:30,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:30,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:30,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:30,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2022-11-21 23:22:30,887 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2022-11-21 23:22:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:22:30,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:30,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:30,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 23:22:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-11-21 23:22:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-11-21 23:22:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:22:31,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:31,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:31,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:31,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 70 states and 82 transitions. [2022-11-21 23:22:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2022-11-21 23:22:31,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:22:31,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:31,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:31,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:31,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 71 states and 83 transitions. [2022-11-21 23:22:31,556 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2022-11-21 23:22:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:22:31,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:31,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 74 states and 86 transitions. [2022-11-21 23:22:31,798 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 86 transitions. [2022-11-21 23:22:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:22:31,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:31,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:31,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:31,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:32,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:32,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2022-11-21 23:22:32,041 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2022-11-21 23:22:32,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:22:32,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2022-11-21 23:22:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2022-11-21 23:22:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 23:22:32,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:32,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 83 states and 95 transitions. [2022-11-21 23:22:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2022-11-21 23:22:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:22:32,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:32,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:32,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:32,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 86 states and 98 transitions. [2022-11-21 23:22:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2022-11-21 23:22:32,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:22:32,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:32,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 101 transitions. [2022-11-21 23:22:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 101 transitions. [2022-11-21 23:22:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:22:33,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:33,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:33,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 92 states and 104 transitions. [2022-11-21 23:22:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2022-11-21 23:22:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 23:22:33,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:33,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:34,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:34,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 95 states and 106 transitions. [2022-11-21 23:22:34,128 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 106 transitions. [2022-11-21 23:22:34,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-21 23:22:34,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:34,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:34,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 94 states and 105 transitions. [2022-11-21 23:22:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2022-11-21 23:22:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-21 23:22:34,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:34,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2022-11-21 23:22:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2022-11-21 23:22:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-21 23:22:34,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:35,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 92 states and 103 transitions. [2022-11-21 23:22:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2022-11-21 23:22:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-21 23:22:35,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:35,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:35,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 91 states and 102 transitions. [2022-11-21 23:22:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2022-11-21 23:22:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-21 23:22:35,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:35,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:35,466 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:35,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:35,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 93 states and 105 transitions. [2022-11-21 23:22:35,538 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2022-11-21 23:22:35,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 23:22:35,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:35,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2022-11-21 23:22:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2022-11-21 23:22:35,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 23:22:35,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:35,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2022-11-21 23:22:35,933 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2022-11-21 23:22:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-21 23:22:35,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:35,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:36,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 69 states and 75 transitions. [2022-11-21 23:22:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2022-11-21 23:22:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:22:36,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:36,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-21 23:22:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 68 states and 74 transitions. [2022-11-21 23:22:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2022-11-21 23:22:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:22:36,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-21 23:22:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 74 states and 85 transitions. [2022-11-21 23:22:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2022-11-21 23:22:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 23:22:37,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:37,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:37,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 75 states and 86 transitions. [2022-11-21 23:22:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2022-11-21 23:22:37,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:22:37,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2022-11-21 23:22:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-11-21 23:22:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-21 23:22:37,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:37,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-21 23:22:37,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:37,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2022-11-21 23:22:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-11-21 23:22:37,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 23:22:37,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-21 23:22:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2022-11-21 23:22:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-11-21 23:22:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 23:22:38,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-21 23:22:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 80 states and 92 transitions. [2022-11-21 23:22:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2022-11-21 23:22:38,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 23:22:38,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2022-11-21 23:22:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2022-11-21 23:22:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 23:22:39,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:39,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-21 23:22:39,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 80 states and 91 transitions. [2022-11-21 23:22:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2022-11-21 23:22:39,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 23:22:39,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-21 23:22:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 82 states and 95 transitions. [2022-11-21 23:22:39,769 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2022-11-21 23:22:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 23:22:39,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:39,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-21 23:22:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 83 states and 96 transitions. [2022-11-21 23:22:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2022-11-21 23:22:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 23:22:40,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:40,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-21 23:22:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:40,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 84 states and 97 transitions. [2022-11-21 23:22:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 97 transitions. [2022-11-21 23:22:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 23:22:40,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:40,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-21 23:22:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 86 states and 101 transitions. [2022-11-21 23:22:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2022-11-21 23:22:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 23:22:40,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:40,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-21 23:22:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2022-11-21 23:22:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2022-11-21 23:22:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 23:22:41,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-11-21 23:22:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 86 states and 99 transitions. [2022-11-21 23:22:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 99 transitions. [2022-11-21 23:22:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 23:22:41,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:41,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-21 23:22:42,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2022-11-21 23:22:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2022-11-21 23:22:42,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-21 23:22:42,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:42,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:42,493 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-21 23:22:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:45,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 100 states and 118 transitions. [2022-11-21 23:22:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 118 transitions. [2022-11-21 23:22:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 23:22:45,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:45,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-21 23:22:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2022-11-21 23:22:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2022-11-21 23:22:47,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 23:22:47,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:47,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:47,779 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-21 23:22:49,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:49,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 107 states and 125 transitions. [2022-11-21 23:22:49,905 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2022-11-21 23:22:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 23:22:49,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-21 23:22:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 109 states and 126 transitions. [2022-11-21 23:22:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2022-11-21 23:22:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-21 23:22:50,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:50,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:50,451 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-21 23:22:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 110 states and 126 transitions. [2022-11-21 23:22:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2022-11-21 23:22:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-21 23:22:50,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:50,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2022-11-21 23:22:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:57,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 120 states and 140 transitions. [2022-11-21 23:22:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2022-11-21 23:22:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-21 23:22:57,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:57,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-21 23:22:59,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:59,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 88 states and 98 transitions. [2022-11-21 23:22:59,808 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2022-11-21 23:22:59,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:22:59,809 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 45 iterations. [2022-11-21 23:22:59,819 INFO L754 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2022-11-21 23:23:00,313 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:23:00,332 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:23:00,333 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 23:23:00,333 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-11-21 23:23:00,340 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-21 23:23:00,343 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-21 23:23:00,348 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-21 23:23:00,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:23:00 ImpRootNode [2022-11-21 23:23:00,352 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:23:00,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:23:00,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:23:00,353 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:23:00,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:30" (3/4) ... [2022-11-21 23:23:00,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:23:00,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-21 23:23:00,382 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-21 23:23:00,383 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 23:23:00,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 23:23:00,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:23:00,385 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:23:00,385 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:23:00,485 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:23:00,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:23:00,489 INFO L158 Benchmark]: Toolchain (without parser) took 32319.71ms. Allocated memory was 136.3MB in the beginning and 404.8MB in the end (delta: 268.4MB). Free memory was 103.4MB in the beginning and 213.2MB in the end (delta: -109.8MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,489 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:23:00,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1015.89ms. Allocated memory is still 136.3MB. Free memory was 103.0MB in the beginning and 62.1MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.84ms. Allocated memory is still 136.3MB. Free memory was 62.1MB in the beginning and 58.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,490 INFO L158 Benchmark]: Boogie Preprocessor took 87.46ms. Allocated memory is still 136.3MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,491 INFO L158 Benchmark]: RCFGBuilder took 909.24ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 56.4MB in the beginning and 130.0MB in the end (delta: -73.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,491 INFO L158 Benchmark]: CodeCheck took 30088.02ms. Allocated memory was 180.4MB in the beginning and 404.8MB in the end (delta: 224.4MB). Free memory was 130.0MB in the beginning and 218.4MB in the end (delta: -88.5MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,491 INFO L158 Benchmark]: Witness Printer took 135.69ms. Allocated memory is still 404.8MB. Free memory was 218.4MB in the beginning and 213.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:23:00,494 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: 29.5s, OverallIterations: 45, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4666 SdHoareTripleChecker+Valid, 21.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3435 mSDsluCounter, 445 SdHoareTripleChecker+Invalid, 17.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3205 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12407 IncrementalHoareTripleChecker+Invalid, 15612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3205 mSolverCounterUnsat, 423 mSDtfsCounter, 12407 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10886 GetRequests, 10522 SyntacticMatches, 10 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57270 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 1763 NumberOfCodeBlocks, 1763 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 1719 ConstructedInterpolants, 0 QuantifiedInterpolants, 2586 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) || (((i <= 1 && argc <= 2147483646) && j == 0) && 1 <= i)) || ((argc <= 2147483646 && i == 0) && j == 0)) || (((argc <= 2147483646 && !(i <= 1)) && 1 <= j) && i <= 2147483645)) || (((argc <= 2147483646 && !(i <= 1)) && j == 0) && i <= 2147483645)) || (((i <= 1 && argc <= 2147483646) && 1 <= j) && 1 <= i) - InvariantResult [Line: 1335]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1236]: Loop Invariant Derived loop invariant: (argc <= 2147483646 && i == 0) || (argc <= 2147483646 && 1 <= i) - InvariantResult [Line: 1344]: Loop Invariant Derived loop invariant: (i == 0 && argc <= 2147483646) || (argc <= 2147483646 && 1 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1015.89ms. Allocated memory is still 136.3MB. Free memory was 103.0MB in the beginning and 62.1MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.84ms. Allocated memory is still 136.3MB. Free memory was 62.1MB in the beginning and 58.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.46ms. Allocated memory is still 136.3MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 909.24ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 56.4MB in the beginning and 130.0MB in the end (delta: -73.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * CodeCheck took 30088.02ms. Allocated memory was 180.4MB in the beginning and 404.8MB in the end (delta: 224.4MB). Free memory was 130.0MB in the beginning and 218.4MB in the end (delta: -88.5MB). Peak memory consumption was 137.0MB. Max. memory is 16.1GB. * Witness Printer took 135.69ms. Allocated memory is still 404.8MB. Free memory was 218.4MB in the beginning and 213.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:23:00,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a1696a-fb23-42c5-bf2c-9692ac1d09d2/bin/ukojak-jW3SillKbg/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