./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/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_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/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_4e16eed8-f1ad-4697-acad-eb9d08b590cb/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 eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 --- 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 16:51:12,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:12,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:12,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:12,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:12,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:12,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:12,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:12,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:12,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:12,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:12,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:12,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:12,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:12,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:12,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:12,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:12,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:12,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:12,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:12,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:12,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:12,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:12,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:12,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:12,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:12,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:12,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:12,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:12,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:12,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:12,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:12,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:12,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:12,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:12,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:12,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:12,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:12,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:12,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:12,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:12,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:51:12,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:12,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:12,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:12,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:12,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:12,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:12,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:12,739 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:12,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:12,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:12,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:12,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:12,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:12,741 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:51:12,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:12,750 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:12,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:12,751 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:12,751 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:12,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:12,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:12,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:12,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:12,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:12,752 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:12,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:12,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:12,753 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_4e16eed8-f1ad-4697-acad-eb9d08b590cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae29037f39f72e492ffc0d4d80667eddad5a4a3f1ba42f69f0f22dd69021a00 [2022-10-17 16:51:13,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:13,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:13,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:13,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:13,107 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:13,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2022-10-17 16:51:13,186 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/data/3cabc20a6/2c51ce8cbef64e13a5b906cd3085ad10/FLAGd319f63a4 [2022-10-17 16:51:13,673 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:13,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-1.c [2022-10-17 16:51:13,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/data/3cabc20a6/2c51ce8cbef64e13a5b906cd3085ad10/FLAGd319f63a4 [2022-10-17 16:51:14,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/data/3cabc20a6/2c51ce8cbef64e13a5b906cd3085ad10 [2022-10-17 16:51:14,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:14,025 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:14,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:14,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:14,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:14,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7595e569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14, skipping insertion in model container [2022-10-17 16:51:14,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:14,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:14,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:14,266 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:14,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:14,300 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:14,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14 WrapperNode [2022-10-17 16:51:14,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:14,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:14,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:14,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:14,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,337 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 85 [2022-10-17 16:51:14,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:14,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:14,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:14,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:14,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:14,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:14,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:14,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:14,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:14,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:14,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:14,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:14,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:14,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:14,536 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:14,538 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:14,840 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:14,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:14,904 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:14,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:14 BoogieIcfgContainer [2022-10-17 16:51:14,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:14,908 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:14,908 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:14,924 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:14,924 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2022-10-17 16:51:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2022-10-17 16:51:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:51:15,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,260 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 16:51:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2022-10-17 16:51:15,307 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2022-10-17 16:51:15,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:51:15,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,415 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 16:51:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2022-10-17 16:51:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2022-10-17 16:51:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:15,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,542 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 16:51:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2022-10-17 16:51:15,659 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2022-10-17 16:51:15,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:15,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,688 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 16:51:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2022-10-17 16:51:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-10-17 16:51:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:15,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,873 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 16:51:16,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2022-10-17 16:51:16,074 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2022-10-17 16:51:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:16,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,126 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 16:51:16,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2022-10-17 16:51:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-10-17 16:51:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:51:16,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,225 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 16:51:16,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2022-10-17 16:51:16,317 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2022-10-17 16:51:16,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:16,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,395 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 16:51:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2022-10-17 16:51:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2022-10-17 16:51:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:16,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,500 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 16:51:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2022-10-17 16:51:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2022-10-17 16:51:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:16,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,591 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 16:51:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2022-10-17 16:51:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2022-10-17 16:51:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:16,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,635 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 16:51:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2022-10-17 16:51:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2022-10-17 16:51:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:16,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,729 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 16:51:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2022-10-17 16:51:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2022-10-17 16:51:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:16,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,894 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 16:51:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2022-10-17 16:51:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2022-10-17 16:51:17,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:17,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,070 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 16:51:17,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2022-10-17 16:51:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2022-10-17 16:51:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:17,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,197 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 16:51:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2022-10-17 16:51:17,226 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2022-10-17 16:51:17,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:17,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,274 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 16:51:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2022-10-17 16:51:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2022-10-17 16:51:17,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:17,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,376 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 16:51:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2022-10-17 16:51:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2022-10-17 16:51:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:17,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,555 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 16:51:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2022-10-17 16:51:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-10-17 16:51:17,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:17,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,691 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 16:51:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2022-10-17 16:51:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2022-10-17 16:51:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:17,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,760 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 16:51:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2022-10-17 16:51:17,784 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-10-17 16:51:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:17,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,829 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 16:51:17,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2022-10-17 16:51:17,849 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2022-10-17 16:51:17,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:17,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,903 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 16:51:17,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2022-10-17 16:51:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2022-10-17 16:51:17,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:17,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,034 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 16:51:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2022-10-17 16:51:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-10-17 16:51:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:18,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,164 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 16:51:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2022-10-17 16:51:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-10-17 16:51:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:18,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,227 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 16:51:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2022-10-17 16:51:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-10-17 16:51:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:18,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,264 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 16:51:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2022-10-17 16:51:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2022-10-17 16:51:18,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:18,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,332 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 16:51:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 66 states and 74 transitions. [2022-10-17 16:51:18,407 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2022-10-17 16:51:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:51:18,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,478 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 16:51:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2022-10-17 16:51:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2022-10-17 16:51:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:51:18,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,622 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 16:51:18,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2022-10-17 16:51:18,685 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-10-17 16:51:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:51:18,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,718 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 16:51:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2022-10-17 16:51:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2022-10-17 16:51:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:51:18,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,761 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 16:51:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 64 states and 72 transitions. [2022-10-17 16:51:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-10-17 16:51:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:51:18,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,873 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 16:51:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2022-10-17 16:51:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2022-10-17 16:51:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:51:18,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,037 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 16:51:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2022-10-17 16:51:19,164 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-10-17 16:51:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:51:19,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,185 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 16:51:19,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2022-10-17 16:51:19,246 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-10-17 16:51:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:51:19,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,271 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 16:51:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2022-10-17 16:51:19,286 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2022-10-17 16:51:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:51:19,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,313 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 16:51:19,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 61 states and 69 transitions. [2022-10-17 16:51:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2022-10-17 16:51:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:51:19,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,434 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 16:51:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 60 states and 68 transitions. [2022-10-17 16:51:19,514 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 68 transitions. [2022-10-17 16:51:19,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:51:19,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,588 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 16:51:19,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2022-10-17 16:51:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2022-10-17 16:51:19,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:51:19,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,776 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 16:51:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 58 states and 66 transitions. [2022-10-17 16:51:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2022-10-17 16:51:19,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:19,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,969 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 16:51:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 77 states and 88 transitions. [2022-10-17 16:51:20,620 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2022-10-17 16:51:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:20,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:20,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,649 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 16:51:20,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:20,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 77 states and 87 transitions. [2022-10-17 16:51:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2022-10-17 16:51:20,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:20,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,782 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 16:51:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 77 states and 86 transitions. [2022-10-17 16:51:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2022-10-17 16:51:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:20,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:20,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,991 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 16:51:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 79 states and 93 transitions. [2022-10-17 16:51:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 93 transitions. [2022-10-17 16:51:21,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:21,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,260 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 16:51:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2022-10-17 16:51:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-10-17 16:51:21,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:21,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,362 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 16:51:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 79 states and 91 transitions. [2022-10-17 16:51:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 91 transitions. [2022-10-17 16:51:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:21,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,465 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 16:51:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2022-10-17 16:51:21,545 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2022-10-17 16:51:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:21,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,570 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 16:51:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2022-10-17 16:51:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2022-10-17 16:51:21,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:51:21,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:21,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:51:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:21,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:51:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:51:21,729 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 48 iterations. [2022-10-17 16:51:21,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:51:21 ImpRootNode [2022-10-17 16:51:21,789 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:51:21,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:51:21,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:51:21,789 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:51:21,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:14" (3/4) ... [2022-10-17 16:51:21,792 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:51:21,901 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:51:21,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:51:21,903 INFO L158 Benchmark]: Toolchain (without parser) took 7877.96ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 76.1MB in the beginning and 71.1MB in the end (delta: 5.1MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2022-10-17 16:51:21,903 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 119.5MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:21,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.41ms. Allocated memory is still 119.5MB. Free memory was 76.0MB in the beginning and 94.3MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:51:21,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 92.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:21,905 INFO L158 Benchmark]: Boogie Preprocessor took 22.98ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 91.7MB in the end (delta: 887.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:21,905 INFO L158 Benchmark]: RCFGBuilder took 545.08ms. Allocated memory is still 119.5MB. Free memory was 91.7MB in the beginning and 75.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:51:21,906 INFO L158 Benchmark]: CodeCheck took 6880.41ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 75.9MB in the beginning and 73.1MB in the end (delta: 2.8MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2022-10-17 16:51:21,907 INFO L158 Benchmark]: Witness Printer took 112.75ms. Allocated memory is still 174.1MB. Free memory was 73.1MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:21,909 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: 6.8s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5254 SdHoareTripleChecker+Valid, 18.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3952 mSDsluCounter, 560 SdHoareTripleChecker+Invalid, 15.2s 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, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5624 GetRequests, 5425 SyntacticMatches, 59 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, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 797 NumberOfCodeBlocks, 797 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1695 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 0.56ms. Allocated memory is still 119.5MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.41ms. Allocated memory is still 119.5MB. Free memory was 76.0MB in the beginning and 94.3MB in the end (delta: -18.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 119.5MB. Free memory was 94.3MB in the beginning and 92.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.98ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 91.7MB in the end (delta: 887.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.08ms. Allocated memory is still 119.5MB. Free memory was 91.7MB in the beginning and 75.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6880.41ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 75.9MB in the beginning and 73.1MB in the end (delta: 2.8MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. * Witness Printer took 112.75ms. Allocated memory is still 174.1MB. Free memory was 73.1MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:51:21,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e16eed8-f1ad-4697-acad-eb9d08b590cb/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)