./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB --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 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d --- 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-dbf71c6-m [2022-10-17 16:52:02,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:02,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:02,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:02,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:02,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:02,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:02,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:02,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:02,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:02,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:02,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:02,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:02,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:02,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:02,489 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:02,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:02,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:02,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:02,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:02,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:02,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:02,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:02,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:02,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:02,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:02,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:02,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:02,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:02,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:02,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:02,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:02,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:02,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:02,519 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:02,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:02,520 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:02,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:02,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:02,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:02,524 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:02,525 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:52:02,558 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:02,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:02,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:02,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:02,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:02,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:02,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:02,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:52:02,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:02,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:02,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:02,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:02,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:02,566 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:52:02,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:02,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:02,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:02,567 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:02,567 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:02,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:02,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:02,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:02,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:02,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:02,569 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:02,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:02,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:02,570 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_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2022-10-17 16:52:02,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:02,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:02,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:02,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:02,906 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:02,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2022-10-17 16:52:03,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/data/43fef30ce/5ec3427f4bf34a288a7bdc5bbe3bfd83/FLAG2f2a847ad [2022-10-17 16:52:03,442 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:03,443 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2022-10-17 16:52:03,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/data/43fef30ce/5ec3427f4bf34a288a7bdc5bbe3bfd83/FLAG2f2a847ad [2022-10-17 16:52:03,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/data/43fef30ce/5ec3427f4bf34a288a7bdc5bbe3bfd83 [2022-10-17 16:52:03,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:03,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:03,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:03,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:03,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:03,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:03" (1/1) ... [2022-10-17 16:52:03,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341ba5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:03, skipping insertion in model container [2022-10-17 16:52:03,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:03" (1/1) ... [2022-10-17 16:52:03,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:03,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:04,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:04,100 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:04,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:04,143 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:04,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04 WrapperNode [2022-10-17 16:52:04,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:04,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:04,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:04,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:04,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,187 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2022-10-17 16:52:04,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:04,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:04,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:04,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:04,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,226 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,233 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:04,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:04,241 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:04,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:04,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:04,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:04,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:04,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-10-17 16:52:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-10-17 16:52:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:04,433 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:04,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:04,691 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:04,878 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:04,878 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:04,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:04 BoogieIcfgContainer [2022-10-17 16:52:04,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:04,883 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:04,883 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:04,895 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:04,895 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:04" (1/1) ... [2022-10-17 16:52:04,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2022-10-17 16:52:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-10-17 16:52:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:52:05,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-10-17 16:52:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-10-17 16:52:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:05,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-10-17 16:52:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-10-17 16:52:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:52:05,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2022-10-17 16:52:05,448 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2022-10-17 16:52:05,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:05,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 90 transitions. [2022-10-17 16:52:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 90 transitions. [2022-10-17 16:52:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:05,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:05,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2022-10-17 16:52:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2022-10-17 16:52:05,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:05,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2022-10-17 16:52:06,036 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2022-10-17 16:52:06,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:52:06,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2022-10-17 16:52:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2022-10-17 16:52:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:06,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 114 transitions. [2022-10-17 16:52:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2022-10-17 16:52:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:06,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 66 states and 110 transitions. [2022-10-17 16:52:06,273 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 110 transitions. [2022-10-17 16:52:06,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:06,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 112 transitions. [2022-10-17 16:52:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2022-10-17 16:52:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:52:06,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 122 transitions. [2022-10-17 16:52:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 122 transitions. [2022-10-17 16:52:06,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:06,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 107 transitions. [2022-10-17 16:52:06,661 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2022-10-17 16:52:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:52:06,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:06,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 123 transitions. [2022-10-17 16:52:06,840 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2022-10-17 16:52:06,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:52:06,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 82 states and 145 transitions. [2022-10-17 16:52:07,054 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 145 transitions. [2022-10-17 16:52:07,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:52:07,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 90 states and 160 transitions. [2022-10-17 16:52:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2022-10-17 16:52:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:07,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 92 states and 165 transitions. [2022-10-17 16:52:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 165 transitions. [2022-10-17 16:52:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:07,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 167 transitions. [2022-10-17 16:52:07,359 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2022-10-17 16:52:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:07,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 173 transitions. [2022-10-17 16:52:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2022-10-17 16:52:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:07,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 98 states and 175 transitions. [2022-10-17 16:52:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 175 transitions. [2022-10-17 16:52:07,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:07,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 100 states and 181 transitions. [2022-10-17 16:52:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2022-10-17 16:52:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:07,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 183 transitions. [2022-10-17 16:52:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 183 transitions. [2022-10-17 16:52:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:07,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:07,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 105 states and 197 transitions. [2022-10-17 16:52:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 197 transitions. [2022-10-17 16:52:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:08,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 105 states and 196 transitions. [2022-10-17 16:52:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2022-10-17 16:52:08,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:08,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 107 states and 202 transitions. [2022-10-17 16:52:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 202 transitions. [2022-10-17 16:52:08,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:08,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 109 states and 204 transitions. [2022-10-17 16:52:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 204 transitions. [2022-10-17 16:52:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:08,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:08,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:08,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 111 states and 205 transitions. [2022-10-17 16:52:08,579 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 205 transitions. [2022-10-17 16:52:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:08,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:08,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:08,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:08,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:52:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:52:08,628 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 27 iterations. [2022-10-17 16:52:08,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:52:08 ImpRootNode [2022-10-17 16:52:08,653 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:52:08,654 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:52:08,654 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:52:08,654 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:52:08,655 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:04" (3/4) ... [2022-10-17 16:52:08,657 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:52:08,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:52:08,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:52:08,696 INFO L158 Benchmark]: Toolchain (without parser) took 4862.34ms. Allocated memory was 100.7MB in the beginning and 174.1MB in the end (delta: 73.4MB). Free memory was 61.7MB in the beginning and 68.0MB in the end (delta: -6.3MB). Peak memory consumption was 68.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:08,696 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:08,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.61ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 52.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:52:08,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.00ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 50.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:08,698 INFO L158 Benchmark]: Boogie Preprocessor took 48.77ms. Allocated memory is still 100.7MB. Free memory was 50.7MB in the beginning and 49.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:08,699 INFO L158 Benchmark]: RCFGBuilder took 642.03ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 49.5MB in the beginning and 93.1MB in the end (delta: -43.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:52:08,700 INFO L158 Benchmark]: CodeCheck took 3770.56ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 93.1MB in the beginning and 70.1MB in the end (delta: 23.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2022-10-17 16:52:08,700 INFO L158 Benchmark]: Witness Printer took 40.74ms. Allocated memory is still 174.1MB. Free memory was 70.1MB in the beginning and 68.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:08,705 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4815 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3970 mSDsluCounter, 9020 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7238 mSDsCounter, 709 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3198 IncrementalHoareTripleChecker+Invalid, 3907 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 709 mSolverCounterUnsat, 1782 mSDtfsCounter, 3198 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4122 GetRequests, 3964 SyntacticMatches, 86 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2383 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 24 PerfectInterpolantSequences, 1/5 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: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 VAL [d=0, x=2147483647] [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.61ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 52.2MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.00ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 50.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.77ms. Allocated memory is still 100.7MB. Free memory was 50.7MB in the beginning and 49.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.03ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 49.5MB in the beginning and 93.1MB in the end (delta: -43.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 3770.56ms. Allocated memory was 132.1MB in the beginning and 174.1MB in the end (delta: 41.9MB). Free memory was 93.1MB in the beginning and 70.1MB in the end (delta: 23.0MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. * Witness Printer took 40.74ms. Allocated memory is still 174.1MB. Free memory was 70.1MB in the beginning and 68.0MB 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! [2022-10-17 16:52:08,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_388cecfb-42e7-4dc3-a0b3-59ffd9a4b08b/bin/ukojak-92XMlrwhuB/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)