./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e --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 eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:32:24,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:32:24,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:32:24,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:32:24,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:32:24,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:32:24,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:32:24,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:32:24,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:32:24,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:32:24,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:32:24,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:32:24,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:32:24,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:32:24,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:32:24,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:32:24,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:32:24,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:32:24,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:32:24,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:32:24,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:32:24,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:32:24,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:32:24,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:32:24,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:32:24,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:32:24,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:32:24,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:32:24,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:32:24,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:32:24,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:32:24,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:32:24,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:32:24,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:32:24,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:32:24,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:32:24,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:32:24,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:32:24,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:32:24,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:32:24,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:32:24,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 22:32:24,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:32:24,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:32:24,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:32:24,501 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:32:24,502 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:32:24,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:32:24,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:32:24,503 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 22:32:24,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:32:24,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:32:24,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:32:24,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:32:24,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:32:24,513 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 22:32:24,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:32:24,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:32:24,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:32:24,514 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:32:24,515 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:32:24,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:32:24,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:24,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:32:24,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:32:24,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:32:24,518 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:32:24,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:32:24,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:32:24,519 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_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 [2021-11-13 22:32:24,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:32:24,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:32:24,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:32:24,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:32:24,839 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:32:24,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-11-13 22:32:24,909 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/data/2a077f697/9d8e2bb6e4224bce85be43a9679957bf/FLAG4d5b1fe88 [2021-11-13 22:32:25,355 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:32:25,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2021-11-13 22:32:25,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/data/2a077f697/9d8e2bb6e4224bce85be43a9679957bf/FLAG4d5b1fe88 [2021-11-13 22:32:25,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/data/2a077f697/9d8e2bb6e4224bce85be43a9679957bf [2021-11-13 22:32:25,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:32:25,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:32:25,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:25,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:32:25,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:32:25,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:25" (1/1) ... [2021-11-13 22:32:25,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3a3882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:25, skipping insertion in model container [2021-11-13 22:32:25,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:25" (1/1) ... [2021-11-13 22:32:25,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:32:25,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:32:25,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:32:25,986 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 22:32:26,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 22:32:26,020 INFO L208 MainTranslator]: Completed translation [2021-11-13 22:32:26,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26 WrapperNode [2021-11-13 22:32:26,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:26,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 22:32:26,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 22:32:26,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 22:32:26,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 22:32:26,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 22:32:26,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 22:32:26,061 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 22:32:26,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 22:32:26,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 22:32:26,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 22:32:26,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 22:32:26,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:26,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/z3 [2021-11-13 22:32:26,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 22:32:26,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 22:32:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 22:32:26,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 22:32:26,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 22:32:26,492 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 22:32:26,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:26 BoogieIcfgContainer [2021-11-13 22:32:26,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 22:32:26,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 22:32:26,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 22:32:26,508 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 22:32:26,508 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:26" (1/1) ... [2021-11-13 22:32:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 22:32:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:26,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2021-11-13 22:32:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2021-11-13 22:32:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:32:26,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:26,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:26,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:26,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2021-11-13 22:32:26,768 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2021-11-13 22:32:26,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 22:32:26,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:26,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2021-11-13 22:32:26,840 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2021-11-13 22:32:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:32:26,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:26,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:26,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-11-13 22:32:27,018 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-13 22:32:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 22:32:27,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-11-13 22:32:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-11-13 22:32:27,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:32:27,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2021-11-13 22:32:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2021-11-13 22:32:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:32:27,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2021-11-13 22:32:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2021-11-13 22:32:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 22:32:27,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2021-11-13 22:32:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2021-11-13 22:32:27,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:32:27,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-13 22:32:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-13 22:32:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 22:32:27,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-13 22:32:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-13 22:32:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:32:27,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2021-11-13 22:32:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2021-11-13 22:32:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:32:27,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:27,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:27,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2021-11-13 22:32:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2021-11-13 22:32:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 22:32:27,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:27,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2021-11-13 22:32:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2021-11-13 22:32:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:32:28,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-11-13 22:32:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-11-13 22:32:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 22:32:28,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-11-13 22:32:28,376 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-11-13 22:32:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:32:28,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2021-11-13 22:32:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2021-11-13 22:32:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:32:28,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2021-11-13 22:32:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2021-11-13 22:32:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 22:32:28,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2021-11-13 22:32:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2021-11-13 22:32:28,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:32:28,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-11-13 22:32:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-11-13 22:32:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 22:32:28,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-11-13 22:32:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-11-13 22:32:28,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:32:28,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2021-11-13 22:32:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2021-11-13 22:32:28,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:32:28,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:28,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:28,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2021-11-13 22:32:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2021-11-13 22:32:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 22:32:28,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:28,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2021-11-13 22:32:29,084 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2021-11-13 22:32:29,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:32:29,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-13 22:32:29,288 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-13 22:32:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 22:32:29,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-13 22:32:29,353 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-13 22:32:29,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:32:29,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2021-11-13 22:32:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2021-11-13 22:32:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:32:29,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2021-11-13 22:32:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2021-11-13 22:32:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 22:32:29,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2021-11-13 22:32:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2021-11-13 22:32:29,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:32:29,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2021-11-13 22:32:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2021-11-13 22:32:29,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 22:32:29,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-13 22:32:29,806 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-13 22:32:29,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:29,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-13 22:32:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-13 22:32:29,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:29,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2021-11-13 22:32:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2021-11-13 22:32:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 22:32:29,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:29,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:29,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2021-11-13 22:32:30,007 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2021-11-13 22:32:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:32:30,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2021-11-13 22:32:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2021-11-13 22:32:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 22:32:30,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-13 22:32:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-13 22:32:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:32:30,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-13 22:32:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-13 22:32:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:32:30,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2021-11-13 22:32:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2021-11-13 22:32:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 22:32:30,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2021-11-13 22:32:30,437 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2021-11-13 22:32:30,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:30,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-11-13 22:32:30,652 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-11-13 22:32:30,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 22:32:30,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2021-11-13 22:32:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-11-13 22:32:30,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:30,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:30,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2021-11-13 22:32:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-11-13 22:32:31,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:31,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:31,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2021-11-13 22:32:31,548 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-11-13 22:32:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:31,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:31,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2021-11-13 22:32:31,641 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2021-11-13 22:32:31,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:31,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2021-11-13 22:32:31,959 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2021-11-13 22:32:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:31,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:31,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:31,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:32,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2021-11-13 22:32:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2021-11-13 22:32:32,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:32,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:32,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2021-11-13 22:32:32,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2021-11-13 22:32:32,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:32,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:32,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2021-11-13 22:32:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2021-11-13 22:32:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 22:32:32,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:32:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:32:32,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:32:32,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2021-11-13 22:32:32,347 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2021-11-13 22:32:32,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 22:32:32,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:32:32,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:32:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:32:32,354 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:32:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:32:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:32:32,389 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 22:32:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 22:32:32,415 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2021-11-13 22:32:32,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:32:32 ImpRootNode [2021-11-13 22:32:32,483 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 22:32:32,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 22:32:32,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 22:32:32,484 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 22:32:32,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:32:26" (3/4) ... [2021-11-13 22:32:32,486 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 22:32:32,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 22:32:32,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 22:32:32,590 INFO L158 Benchmark]: Toolchain (without parser) took 6861.74ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 49.4MB in the beginning and 53.9MB in the end (delta: -4.5MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2021-11-13 22:32:32,591 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 86.0MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:32:32,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.52ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 81.7MB in the end (delta: -32.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 22:32:32,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.50ms. Allocated memory is still 104.9MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:32:32,593 INFO L158 Benchmark]: Boogie Preprocessor took 22.95ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 957.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:32:32,594 INFO L158 Benchmark]: RCFGBuilder took 411.39ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 66.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 22:32:32,594 INFO L158 Benchmark]: CodeCheck took 5986.63ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 65.7MB in the beginning and 55.9MB in the end (delta: 9.8MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2021-11-13 22:32:32,595 INFO L158 Benchmark]: Witness Printer took 105.87ms. Allocated memory is still 134.2MB. Free memory was 55.9MB in the beginning and 53.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 22:32:32,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 83 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 48, 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, 5254 SdHoareTripleChecker+Valid, 18634.45ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3952 mSDsluCounter, 560 SdHoareTripleChecker+Invalid, 14671.63ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14165 IncrementalHoareTripleChecker+Invalid, 17757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3592 mSolverCounterUnsat, 560 mSDtfsCounter, 14165 mSolverCounterSat, 621.97ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5220 SyntacticMatches, 264 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16109 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1644 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 47 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 65]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 VAL [x=-1, y=-2147483640, z=0] [L24] COND FALSE !(x > 0) VAL [x=-1, y=-2147483640, z=0] [L27] EXPR x - 1 [L27] x = x - 1 VAL [x=-2, y=-2147483640, z=0] [L29] COND FALSE !(x > 0) VAL [x=-2, y=-2147483640, z=0] [L32] EXPR x - 1 [L32] x = x - 1 VAL [x=-3, y=-2147483640, z=0] [L34] COND FALSE !(x > 0) VAL [x=-3, y=-2147483640, z=0] [L37] EXPR x - 1 [L37] x = x - 1 VAL [x=-4, y=-2147483640, z=0] [L39] COND FALSE !(x > 0) VAL [x=-4, y=-2147483640, z=0] [L42] EXPR x - 1 [L42] x = x - 1 VAL [x=-5, y=-2147483640, z=0] [L44] COND FALSE !(x > 0) VAL [x=-5, y=-2147483640, z=0] [L47] EXPR x - 1 [L47] x = x - 1 VAL [x=-6, y=-2147483640, z=0] [L49] COND FALSE !(x > 0) VAL [x=-6, y=-2147483640, z=0] [L52] EXPR x - 1 [L52] x = x - 1 VAL [x=-7, y=-2147483640, z=0] [L54] COND FALSE !(x > 0) VAL [x=-7, y=-2147483640, z=0] [L57] EXPR x - 1 [L57] x = x - 1 VAL [x=-8, y=-2147483640, z=0] [L59] COND FALSE !(x > 0) VAL [x=-8, y=-2147483640, z=0] [L62] EXPR x - 1 [L62] x = x - 1 VAL [x=-9, y=-2147483640, z=0] [L64] COND TRUE y<100 && z<100 VAL [x=-9, y=-2147483640, z=0] [L65] y+x VAL [x=-9, y=-2147483640, z=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 86.0MB. Free memory was 65.6MB in the beginning and 65.6MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.52ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 81.7MB in the end (delta: -32.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.50ms. Allocated memory is still 104.9MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.95ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 957.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.39ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 66.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 5986.63ms. Allocated memory was 104.9MB in the beginning and 134.2MB in the end (delta: 29.4MB). Free memory was 65.7MB in the beginning and 55.9MB in the end (delta: 9.8MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Witness Printer took 105.87ms. Allocated memory is still 134.2MB. Free memory was 55.9MB in the beginning and 53.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 22:32:32,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86eb6b7-a97a-47ef-ad41-05784f3e7ec4/bin/ukojak-2xVlg8857e/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)