./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:21:02,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:21:02,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:21:02,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:21:02,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:21:02,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:21:02,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:21:03,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:21:03,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:21:03,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:21:03,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:21:03,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:21:03,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:21:03,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:21:03,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:21:03,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:21:03,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:21:03,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:21:03,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:21:03,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:21:03,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:21:03,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:21:03,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:21:03,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:21:03,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:21:03,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:21:03,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:21:03,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:21:03,035 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:21:03,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:21:03,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:21:03,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:21:03,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:21:03,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:21:03,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:21:03,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:21:03,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:21:03,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:21:03,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:21:03,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:21:03,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:21:03,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:21:03,068 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:21:03,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:21:03,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:21:03,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:21:03,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:21:03,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:21:03,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:21:03,072 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:21:03,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:21:03,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:21:03,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:21:03,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:21:03,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:21:03,074 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:21:03,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:21:03,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:21:03,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:21:03,075 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:21:03,075 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:21:03,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:21:03,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:21:03,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:21:03,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:21:03,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:21:03,076 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:21:03,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:21:03,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:21:03,077 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_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef6a70edb4426b11650a0154f4234f5ac775ab47d29a5a4fff3db3968295222 [2022-11-21 23:21:03,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:21:03,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:21:03,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:21:03,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:21:03,346 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:21:03,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2022-11-21 23:21:06,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:21:06,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:21:06,720 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/sv-benchmarks/c/termination-memory-alloca/b.11-alloca.i [2022-11-21 23:21:06,730 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/data/5c82c135b/9d60f250e0f14df8bd57be7d1e98680a/FLAGfab685446 [2022-11-21 23:21:06,745 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/data/5c82c135b/9d60f250e0f14df8bd57be7d1e98680a [2022-11-21 23:21:06,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:21:06,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:21:06,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:21:06,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:21:06,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:21:06,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:21:06" (1/1) ... [2022-11-21 23:21:06,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609c0cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:06, skipping insertion in model container [2022-11-21 23:21:06,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:21:06" (1/1) ... [2022-11-21 23:21:06,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:21:06,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:21:07,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:21:07,100 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:21:07,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:21:07,206 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:21:07,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07 WrapperNode [2022-11-21 23:21:07,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:21:07,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:21:07,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:21:07,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:21:07,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,251 INFO L138 Inliner]: procedures = 111, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2022-11-21 23:21:07,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:21:07,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:21:07,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:21:07,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:21:07,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,275 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:21:07,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:21:07,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:21:07,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:21:07,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:21:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:21:07,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:21:07,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:21:07,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:21:07,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:21:07,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:21:07,548 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:21:07,551 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:21:07,888 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:21:07,913 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:21:07,913 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:21:07,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:21:07 BoogieIcfgContainer [2022-11-21 23:21:07,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:21:07,917 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:21:07,918 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:21:07,929 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:21:07,929 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:21:07" (1/1) ... [2022-11-21 23:21:07,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:21:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-11-21 23:21:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-21 23:21:08,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:21:08,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:08,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2022-11-21 23:21:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-21 23:21:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:21:08,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:08,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:09,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2022-11-21 23:21:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-21 23:21:09,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:21:09,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:09,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2022-11-21 23:21:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-11-21 23:21:09,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:21:09,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2022-11-21 23:21:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-11-21 23:21:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:21:10,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:10,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 73 transitions. [2022-11-21 23:21:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2022-11-21 23:21:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:21:11,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:11,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:11,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2022-11-21 23:21:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-11-21 23:21:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:21:11,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:11,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2022-11-21 23:21:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-21 23:21:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:21:11,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:11,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 59 states and 79 transitions. [2022-11-21 23:21:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2022-11-21 23:21:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:21:13,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:13,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:13,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:14,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 75 transitions. [2022-11-21 23:21:14,023 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2022-11-21 23:21:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 23:21:14,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:14,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2022-11-21 23:21:16,888 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2022-11-21 23:21:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:21:16,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:16,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:20,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2022-11-21 23:21:20,029 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2022-11-21 23:21:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:21:20,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:21,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2022-11-21 23:21:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2022-11-21 23:21:21,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-21 23:21:21,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:21,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2022-11-21 23:21:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2022-11-21 23:21:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:21:21,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:21,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:24,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2022-11-21 23:21:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2022-11-21 23:21:24,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:21:24,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:24,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:25,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2022-11-21 23:21:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2022-11-21 23:21:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:21:30,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:30,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 105 states and 167 transitions. [2022-11-21 23:21:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2022-11-21 23:21:34,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:21:34,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:35,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 110 states and 179 transitions. [2022-11-21 23:21:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 179 transitions. [2022-11-21 23:21:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:21:38,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:38,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:38,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 191 transitions. [2022-11-21 23:21:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 191 transitions. [2022-11-21 23:21:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:21:42,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:46,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 205 transitions. [2022-11-21 23:21:46,749 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2022-11-21 23:21:46,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:21:46,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:46,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:48,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 210 transitions. [2022-11-21 23:21:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2022-11-21 23:21:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:21:48,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:48,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 228 transitions. [2022-11-21 23:21:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 228 transitions. [2022-11-21 23:21:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 23:21:54,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:54,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:21:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:21:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2022-11-21 23:21:56,333 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2022-11-21 23:21:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:21:56,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:21:56,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:21:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:21:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 246 transitions. [2022-11-21 23:22:01,403 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 246 transitions. [2022-11-21 23:22:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:22:01,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:01,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 152 states and 283 transitions. [2022-11-21 23:22:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 283 transitions. [2022-11-21 23:22:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:22:12,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 153 states and 284 transitions. [2022-11-21 23:22:13,368 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 284 transitions. [2022-11-21 23:22:13,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:22:13,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:13,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:15,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:15,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 155 states and 287 transitions. [2022-11-21 23:22:15,602 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 287 transitions. [2022-11-21 23:22:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 23:22:15,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:15,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:18,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:18,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 160 states and 297 transitions. [2022-11-21 23:22:18,699 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 297 transitions. [2022-11-21 23:22:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:22:18,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:18,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:20,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 160 states and 296 transitions. [2022-11-21 23:22:20,719 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 296 transitions. [2022-11-21 23:22:20,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:22:20,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:20,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 160 states and 295 transitions. [2022-11-21 23:22:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 295 transitions. [2022-11-21 23:22:26,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-21 23:22:26,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:26,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 294 transitions. [2022-11-21 23:22:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2022-11-21 23:22:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:22:27,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 160 states and 293 transitions. [2022-11-21 23:22:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 293 transitions. [2022-11-21 23:22:27,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:22:27,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:27,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 307 transitions. [2022-11-21 23:22:38,340 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 307 transitions. [2022-11-21 23:22:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:22:38,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:38,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 165 states and 311 transitions. [2022-11-21 23:22:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 311 transitions. [2022-11-21 23:22:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:22:41,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:41,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 176 states and 332 transitions. [2022-11-21 23:22:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 332 transitions. [2022-11-21 23:22:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:22:55,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:55,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:00,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 182 states and 342 transitions. [2022-11-21 23:23:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 342 transitions. [2022-11-21 23:23:00,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 23:23:00,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:05,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 184 states and 346 transitions. [2022-11-21 23:23:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 346 transitions. [2022-11-21 23:23:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:23:05,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:05,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:08,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:18,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:18,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 189 states and 358 transitions. [2022-11-21 23:23:18,922 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 358 transitions. [2022-11-21 23:23:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-21 23:23:18,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:20,990 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:31,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 197 states and 372 transitions. [2022-11-21 23:23:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 372 transitions. [2022-11-21 23:23:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-21 23:23:31,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:31,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:38,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:38,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 200 states and 380 transitions. [2022-11-21 23:23:38,864 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 380 transitions. [2022-11-21 23:23:38,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:23:38,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:38,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 203 states and 389 transitions. [2022-11-21 23:23:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 389 transitions. [2022-11-21 23:23:44,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 23:23:44,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:23:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:23:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 206 states and 401 transitions. [2022-11-21 23:23:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 401 transitions. [2022-11-21 23:23:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-21 23:23:52,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:23:52,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:23:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:23:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:00,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:00,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 208 states and 406 transitions. [2022-11-21 23:24:00,140 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 406 transitions. [2022-11-21 23:24:00,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-21 23:24:00,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:00,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 215 states and 421 transitions. [2022-11-21 23:24:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 421 transitions. [2022-11-21 23:24:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:24:08,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:08,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 215 states and 420 transitions. [2022-11-21 23:24:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 420 transitions. [2022-11-21 23:24:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:24:10,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:10,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:24:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 217 states and 423 transitions. [2022-11-21 23:24:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 423 transitions. [2022-11-21 23:24:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:24:13,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:24:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 219 states and 426 transitions. [2022-11-21 23:24:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 426 transitions. [2022-11-21 23:24:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 23:24:17,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:24:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 221 states and 429 transitions. [2022-11-21 23:24:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 429 transitions. [2022-11-21 23:24:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-21 23:24:20,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:24:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 223 states and 432 transitions. [2022-11-21 23:24:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 432 transitions. [2022-11-21 23:24:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:24:24,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:24,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:25,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:25,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 224 states and 432 transitions. [2022-11-21 23:24:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 432 transitions. [2022-11-21 23:24:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 23:24:25,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:25,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:24:27,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:27,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 225 states and 434 transitions. [2022-11-21 23:24:27,209 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 434 transitions. [2022-11-21 23:24:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-21 23:24:27,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:24:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:24:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:24:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:24:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:24:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-11-21 23:24:34,059 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-21 23:24:34,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:24:34,060 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2022-11-21 23:24:34,068 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-21 23:24:34,809 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:24:34,813 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2022-11-21 23:24:34,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:24:34 ImpRootNode [2022-11-21 23:24:34,824 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:24:34,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:24:34,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:24:34,825 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:24:34,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:21:07" (3/4) ... [2022-11-21 23:24:34,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:24:34,839 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-21 23:24:34,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 23:24:34,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 23:24:34,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:24:34,894 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:24:34,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:24:34,895 INFO L158 Benchmark]: Toolchain (without parser) took 208145.51ms. Allocated memory was 121.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 79.0MB in the beginning and 884.4MB in the end (delta: -805.4MB). Peak memory consumption was 704.9MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,896 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 121.6MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:24:34,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.90ms. Allocated memory is still 121.6MB. Free memory was 78.7MB in the beginning and 62.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.39ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,897 INFO L158 Benchmark]: Boogie Preprocessor took 26.65ms. Allocated memory is still 121.6MB. Free memory was 60.8MB in the beginning and 59.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,898 INFO L158 Benchmark]: RCFGBuilder took 637.31ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 59.4MB in the beginning and 144.4MB in the end (delta: -85.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,898 INFO L158 Benchmark]: CodeCheck took 206906.37ms. Allocated memory was 180.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 144.4MB in the beginning and 887.6MB in the end (delta: -743.1MB). Peak memory consumption was 712.0MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,899 INFO L158 Benchmark]: Witness Printer took 70.48ms. Allocated memory is still 1.6GB. Free memory was 887.6MB in the beginning and 884.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:24:34,901 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, 38 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 206.1s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11389 SdHoareTripleChecker+Valid, 66.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9590 mSDsluCounter, 3268 SdHoareTripleChecker+Invalid, 56.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1922 mSDsCounter, 6642 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39111 IncrementalHoareTripleChecker+Invalid, 45753 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6642 mSolverCounterUnsat, 1346 mSDtfsCounter, 39111 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9858 GetRequests, 8665 SyntacticMatches, 251 SemanticMatches, 942 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446253 ImplicationChecksByTransitivity, 193.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 39.7s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 889 ConstructedInterpolants, 0 QuantifiedInterpolants, 7002 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 127/178 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: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 555]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 562]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((!(unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && !(unknown-#memory_int-unknown[x_ref][x_ref] + 1 <= 0)) && !(y_ref == x_ref)) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) || ((((0 <= unknown-#memory_int-unknown[x_ref][x_ref] + 2147483648 && !(y_ref == x_ref)) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) && 0 <= unknown-#memory_int-unknown[y_ref][y_ref] + 2147483648) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 121.6MB. Free memory is still 67.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.90ms. Allocated memory is still 121.6MB. Free memory was 78.7MB in the beginning and 62.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.39ms. Allocated memory is still 121.6MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.65ms. Allocated memory is still 121.6MB. Free memory was 60.8MB in the beginning and 59.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 637.31ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 59.4MB in the beginning and 144.4MB in the end (delta: -85.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 206906.37ms. Allocated memory was 180.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 144.4MB in the beginning and 887.6MB in the end (delta: -743.1MB). Peak memory consumption was 712.0MB. Max. memory is 16.1GB. * Witness Printer took 70.48ms. Allocated memory is still 1.6GB. Free memory was 887.6MB in the beginning and 884.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:24:34,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69173ff8-3162-4180-8261-d532e4803f19/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE