./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/genady.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/genady.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu --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 287610e8766968d20807fa7cedb2876e161017ade0a329100f16c8240065cc6a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:42,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:42,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:42,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:42,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:42,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:42,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:42,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:42,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:42,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:42,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:42,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:42,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:42,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:42,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:42,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:42,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:42,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:42,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:42,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:42,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:42,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:42,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:42,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:42,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:42,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:42,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:42,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:42,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:42,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:42,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:42,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:42,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:42,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:42,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:42,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:42,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:42,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:42,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:42,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:42,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:42,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 15:40:42,292 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:42,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:42,294 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:42,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:42,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:42,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:42,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:42,297 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:40:42,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:42,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:42,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:42,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:42,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:42,300 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 15:40:42,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:42,300 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:42,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:42,301 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:42,301 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:42,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:42,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:42,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:42,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:42,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:42,303 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:42,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:42,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:42,303 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_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 287610e8766968d20807fa7cedb2876e161017ade0a329100f16c8240065cc6a [2021-11-23 15:40:42,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:42,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:42,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:42,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:42,663 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:42,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/termination-crafted-lit/genady.c [2021-11-23 15:40:42,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/data/7a55b72a4/38aaccc235234e91a10a2aa12749adb9/FLAG33f465d1e [2021-11-23 15:40:43,243 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:43,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/sv-benchmarks/c/termination-crafted-lit/genady.c [2021-11-23 15:40:43,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/data/7a55b72a4/38aaccc235234e91a10a2aa12749adb9/FLAG33f465d1e [2021-11-23 15:40:43,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/data/7a55b72a4/38aaccc235234e91a10a2aa12749adb9 [2021-11-23 15:40:43,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:43,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:43,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:43,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:43,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:43,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b04b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43, skipping insertion in model container [2021-11-23 15:40:43,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:43,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:43,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:43,814 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:43,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:43,859 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:43,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43 WrapperNode [2021-11-23 15:40:43,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:43,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:43,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:43,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:43,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,902 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 15:40:43,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:43,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:43,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:43,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:43,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:43,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:43,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:43,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:43,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:43" (1/1) ... [2021-11-23 15:40:43,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:43,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:44,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:44,105 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:44,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:44,207 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:44,220 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:40:44,220 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 15:40:44,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:44 BoogieIcfgContainer [2021-11-23 15:40:44,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:40:44,224 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:40:44,224 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:40:44,235 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:40:44,235 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:44" (1/1) ... [2021-11-23 15:40:44,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:40:44,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2021-11-23 15:40:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-23 15:40:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 15:40:44,311 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:44,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-11-23 15:40:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-23 15:40:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 15:40:44,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:44,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:44,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2021-11-23 15:40:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-23 15:40:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 15:40:44,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:44,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:44,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2021-11-23 15:40:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2021-11-23 15:40:44,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 15:40:44,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:44,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2021-11-23 15:40:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2021-11-23 15:40:45,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 15:40:45,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:45,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:45,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:45,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2021-11-23 15:40:45,635 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-11-23 15:40:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 15:40:45,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:45,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2021-11-23 15:40:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2021-11-23 15:40:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:40:45,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:45,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:46,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2021-11-23 15:40:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2021-11-23 15:40:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:40:46,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:46,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2021-11-23 15:40:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-23 15:40:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 15:40:46,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:46,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2021-11-23 15:40:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2021-11-23 15:40:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:40:47,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:47,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:47,107 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2021-11-23 15:40:47,245 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2021-11-23 15:40:47,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 15:40:47,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:47,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:47,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2021-11-23 15:40:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2021-11-23 15:40:47,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 15:40:47,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:47,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2021-11-23 15:40:47,897 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2021-11-23 15:40:47,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 15:40:47,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:47,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:48,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2021-11-23 15:40:48,300 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2021-11-23 15:40:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 15:40:48,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:48,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:48,424 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:40:48,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2021-11-23 15:40:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2021-11-23 15:40:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 15:40:48,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:48,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2021-11-23 15:40:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2021-11-23 15:40:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 15:40:49,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:49,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:49,528 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 15:40:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2021-11-23 15:40:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2021-11-23 15:40:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:40:49,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:49,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 15:40:50,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2021-11-23 15:40:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2021-11-23 15:40:50,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 15:40:50,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:50,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 15:40:50,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2021-11-23 15:40:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2021-11-23 15:40:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:40:50,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:50,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:50,736 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 15:40:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 94 states and 168 transitions. [2021-11-23 15:40:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 168 transitions. [2021-11-23 15:40:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 15:40:51,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:51,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 15:40:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 96 states and 170 transitions. [2021-11-23 15:40:51,898 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2021-11-23 15:40:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 15:40:51,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:51,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:52,050 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 179 transitions. [2021-11-23 15:40:52,865 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 179 transitions. [2021-11-23 15:40:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 15:40:52,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:52,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:52,991 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 15:40:53,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:53,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 108 states and 193 transitions. [2021-11-23 15:40:53,523 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 193 transitions. [2021-11-23 15:40:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 15:40:53,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:53,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:53,598 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:54,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 115 states and 213 transitions. [2021-11-23 15:40:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 213 transitions. [2021-11-23 15:40:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 15:40:54,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:54,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 15:40:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 117 states and 215 transitions. [2021-11-23 15:40:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 215 transitions. [2021-11-23 15:40:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:40:54,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:54,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 15:40:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:54,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 121 states and 219 transitions. [2021-11-23 15:40:54,984 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 219 transitions. [2021-11-23 15:40:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 15:40:54,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:54,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:55,016 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 15:40:55,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 125 states and 223 transitions. [2021-11-23 15:40:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 223 transitions. [2021-11-23 15:40:55,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 15:40:55,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:55,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 131 states and 230 transitions. [2021-11-23 15:40:56,851 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 230 transitions. [2021-11-23 15:40:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:40:56,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:56,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 138 states and 248 transitions. [2021-11-23 15:40:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2021-11-23 15:40:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 15:40:57,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:57,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:40:57,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:57,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 252 transitions. [2021-11-23 15:40:57,994 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 252 transitions. [2021-11-23 15:40:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 15:40:57,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:57,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-23 15:40:58,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 142 states and 254 transitions. [2021-11-23 15:40:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2021-11-23 15:40:58,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 15:40:58,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:58,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 15:40:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:40:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 150 states and 262 transitions. [2021-11-23 15:40:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2021-11-23 15:40:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 15:40:59,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:40:59,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:40:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:40:59,700 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 157 states and 269 transitions. [2021-11-23 15:41:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 269 transitions. [2021-11-23 15:41:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:41:00,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:00,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 164 states and 290 transitions. [2021-11-23 15:41:02,287 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 290 transitions. [2021-11-23 15:41:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 15:41:02,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:02,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 166 states and 293 transitions. [2021-11-23 15:41:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 293 transitions. [2021-11-23 15:41:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 15:41:02,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:02,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 15:41:02,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 168 states and 295 transitions. [2021-11-23 15:41:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 295 transitions. [2021-11-23 15:41:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:41:02,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:02,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-23 15:41:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 176 states and 307 transitions. [2021-11-23 15:41:04,537 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 307 transitions. [2021-11-23 15:41:04,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 15:41:04,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:04,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-11-23 15:41:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 178 states and 309 transitions. [2021-11-23 15:41:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 309 transitions. [2021-11-23 15:41:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 15:41:04,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:04,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:05,141 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:07,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 185 states and 322 transitions. [2021-11-23 15:41:07,012 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 322 transitions. [2021-11-23 15:41:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:41:07,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:07,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 15:41:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 189 states and 325 transitions. [2021-11-23 15:41:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 325 transitions. [2021-11-23 15:41:08,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:41:08,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:08,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 15:41:09,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:09,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 192 states and 330 transitions. [2021-11-23 15:41:09,242 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 330 transitions. [2021-11-23 15:41:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 15:41:09,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:09,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:09,270 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2021-11-23 15:41:09,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:09,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 194 states and 332 transitions. [2021-11-23 15:41:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 332 transitions. [2021-11-23 15:41:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:41:09,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:09,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:12,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 201 states and 348 transitions. [2021-11-23 15:41:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 348 transitions. [2021-11-23 15:41:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:41:12,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:12,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:12,413 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 204 states and 351 transitions. [2021-11-23 15:41:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 351 transitions. [2021-11-23 15:41:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:41:13,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:13,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:14,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:14,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 207 states and 358 transitions. [2021-11-23 15:41:14,538 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 358 transitions. [2021-11-23 15:41:14,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 15:41:14,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:14,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:15,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 209 states and 359 transitions. [2021-11-23 15:41:15,569 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 359 transitions. [2021-11-23 15:41:15,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 15:41:15,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:15,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-23 15:41:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 210 states and 359 transitions. [2021-11-23 15:41:16,165 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 359 transitions. [2021-11-23 15:41:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:41:16,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:16,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 213 states and 363 transitions. [2021-11-23 15:41:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 363 transitions. [2021-11-23 15:41:18,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:41:18,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:18,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:19,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 216 states and 366 transitions. [2021-11-23 15:41:19,145 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 366 transitions. [2021-11-23 15:41:19,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 15:41:19,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:19,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 218 states and 367 transitions. [2021-11-23 15:41:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 367 transitions. [2021-11-23 15:41:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 15:41:19,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:41:19,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:41:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 15:41:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 15:41:21,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:41:21,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2021-11-23 15:41:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2021-11-23 15:41:21,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 15:41:21,395 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2021-11-23 15:41:21,404 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2021-11-23 15:41:21,719 INFO L560 CodeCheckObserver]: Invariant with dag size 49 [2021-11-23 15:41:21,740 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 15:41:21,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:41:21 ImpRootNode [2021-11-23 15:41:21,741 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 15:41:21,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 15:41:21,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 15:41:21,742 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 15:41:21,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:44" (3/4) ... [2021-11-23 15:41:21,746 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 15:41:21,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 15:41:21,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 15:41:21,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 15:41:21,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/witness.graphml [2021-11-23 15:41:21,802 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 15:41:21,803 INFO L158 Benchmark]: Toolchain (without parser) took 38165.20ms. Allocated memory was 94.4MB in the beginning and 343.9MB in the end (delta: 249.6MB). Free memory was 61.5MB in the beginning and 262.9MB in the end (delta: -201.4MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,804 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:21,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.72ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.2MB in the beginning and 89.7MB in the end (delta: -28.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.17ms. Allocated memory is still 113.2MB. Free memory was 89.7MB in the beginning and 88.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:21,806 INFO L158 Benchmark]: Boogie Preprocessor took 33.78ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 87.7MB in the end (delta: 817.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,807 INFO L158 Benchmark]: RCFGBuilder took 282.98ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 79.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,807 INFO L158 Benchmark]: CodeCheck took 37517.26ms. Allocated memory was 113.2MB in the beginning and 343.9MB in the end (delta: 230.7MB). Free memory was 79.3MB in the beginning and 265.0MB in the end (delta: -185.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,808 INFO L158 Benchmark]: Witness Printer took 60.44ms. Allocated memory is still 343.9MB. Free memory was 265.0MB in the beginning and 262.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,812 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 37.1s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11877 SdHoareTripleChecker+Valid, 44.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11731 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 35.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5868 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37131 IncrementalHoareTripleChecker+Invalid, 42999 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5868 mSolverCounterUnsat, 0 mSDtfsCounter, 37131 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11489 GetRequests, 9908 SyntacticMatches, 1033 SemanticMatches, 548 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180397 ImplicationChecksByTransitivity, 32.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1457 NumberOfCodeBlocks, 1457 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1407 ConstructedInterpolants, 0 QuantifiedInterpolants, 4965 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 24 PerfectInterpolantSequences, 2368/2989 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (((((((10001 <= i + j && j <= 4) && i <= 9993 + j) || ((10001 <= i + j && j <= 3) && i <= 9995 + j)) || (((10001 <= i + j && j <= 3 + i) && j <= 9996) && i + 1 < j)) || ((10001 <= i + j && i <= 9995) && j <= i + 1)) || ((10001 <= i + j && i <= j + 9991) && j <= 5)) || ((9997 + j <= i && i < 10000) && 1 < j)) || (((j <= 1 && i <= 9999 + j) && 1 <= j) && 9999 + j <= i) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 94.4MB. Free memory was 50.3MB in the beginning and 50.2MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.72ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.2MB in the beginning and 89.7MB in the end (delta: -28.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.17ms. Allocated memory is still 113.2MB. Free memory was 89.7MB in the beginning and 88.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.78ms. Allocated memory is still 113.2MB. Free memory was 88.5MB in the beginning and 87.7MB in the end (delta: 817.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.98ms. Allocated memory is still 113.2MB. Free memory was 87.7MB in the beginning and 79.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 37517.26ms. Allocated memory was 113.2MB in the beginning and 343.9MB in the end (delta: 230.7MB). Free memory was 79.3MB in the beginning and 265.0MB in the end (delta: -185.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 60.44ms. Allocated memory is still 343.9MB. Free memory was 265.0MB in the beginning and 262.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 15:41:21,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bca05105-9470-4036-8240-e50bb267548a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE