./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8da870150b2997ed8b5b2bd7f8bc29b32b30f67a033bb6d7b4e930c9ba2a33c8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:12:43,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:12:43,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:12:43,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:12:43,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:12:43,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:12:43,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:12:43,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:12:43,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:12:43,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:12:43,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:12:43,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:12:43,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:12:43,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:12:43,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:12:43,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:12:43,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:12:43,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:12:43,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:12:43,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:12:43,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:12:43,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:12:43,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:12:43,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:12:43,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:12:43,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:12:43,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:12:43,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:12:43,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:12:43,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:12:43,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:12:43,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:12:43,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:12:43,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:12:43,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:12:43,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:12:43,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:12:43,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:12:43,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:12:43,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:12:43,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:12:43,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:12:44,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:12:44,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:12:44,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:12:44,027 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:12:44,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:12:44,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:12:44,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:12:44,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:12:44,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:12:44,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:12:44,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:12:44,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:12:44,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:12:44,037 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:12:44,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:12:44,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:12:44,038 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:12:44,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:12:44,038 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:12:44,038 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:12:44,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:12:44,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:44,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:12:44,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:12:44,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:12:44,040 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:12:44,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:12:44,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:12:44,040 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_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da870150b2997ed8b5b2bd7f8bc29b32b30f67a033bb6d7b4e930c9ba2a33c8 [2021-11-23 01:12:44,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:12:44,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:12:44,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:12:44,385 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:12:44,386 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:12:44,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c [2021-11-23 01:12:44,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/data/9fc2f5298/6729afca268b44b780e5f18a1c27c5a9/FLAG4c8a8f3f7 [2021-11-23 01:12:44,992 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:12:44,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c [2021-11-23 01:12:45,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/data/9fc2f5298/6729afca268b44b780e5f18a1c27c5a9/FLAG4c8a8f3f7 [2021-11-23 01:12:45,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/data/9fc2f5298/6729afca268b44b780e5f18a1c27c5a9 [2021-11-23 01:12:45,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:12:45,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:12:45,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:45,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:12:45,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:12:45,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12895fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45, skipping insertion in model container [2021-11-23 01:12:45,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:12:45,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:12:45,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c[525,538] [2021-11-23 01:12:45,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:45,621 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:12:45,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound20.c[525,538] [2021-11-23 01:12:45,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:12:45,653 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:12:45,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45 WrapperNode [2021-11-23 01:12:45,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:12:45,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:45,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:12:45,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:12:45,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,684 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2021-11-23 01:12:45,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:12:45,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:12:45,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:12:45,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:12:45,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:12:45,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:12:45,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:12:45,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:12:45,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:12:45" (1/1) ... [2021-11-23 01:12:45,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:12:45,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:12:45,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:12:45,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bb61dc2-49fe-4a16-b746-2fdf27a45ee4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:12:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:12:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:12:45,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:12:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:12:45,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:12:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:12:45,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:12:45,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:12:46,032 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:12:46,046 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:12:46,047 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:12:46,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:46 BoogieIcfgContainer [2021-11-23 01:12:46,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:12:46,050 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:12:46,050 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:12:46,061 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:12:46,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:12:46" (1/1) ... [2021-11-23 01:12:46,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:12:46,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 01:12:46,165 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 01:12:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:12:46,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:46,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:12:46,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:46,376 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 01:12:46,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:46,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 01:12:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 01:12:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:12:46,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:46,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:12:46,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:46,525 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 01:12:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-11-23 01:12:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-23 01:12:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:12:46,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:46,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:46,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:12:46,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-11-23 01:12:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-11-23 01:12:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:12:47,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:47,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:47,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:12:47,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-11-23 01:12:47,692 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-11-23 01:12:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:12:47,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:47,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:47,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:12:47,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2021-11-23 01:12:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2021-11-23 01:12:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:12:48,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:48,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:49,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:12:49,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2021-11-23 01:12:51,901 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2021-11-23 01:12:51,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:12:51,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:51,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:51,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:12:51,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:52,134 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:52,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2021-11-23 01:12:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2021-11-23 01:12:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:52,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:52,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:52,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:12:52,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:12:55,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:12:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 48 states and 102 transitions. [2021-11-23 01:12:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 102 transitions. [2021-11-23 01:12:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:12:55,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:12:55,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:12:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:55,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:12:55,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:12:56,950 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:15,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 52 states and 119 transitions. [2021-11-23 01:13:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 119 transitions. [2021-11-23 01:13:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:15,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:15,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:15,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:13:15,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:13:26,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 133 transitions. [2021-11-23 01:13:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 133 transitions. [2021-11-23 01:13:26,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:26,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:26,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:26,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:13:26,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 58 states and 143 transitions. [2021-11-23 01:13:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 143 transitions. [2021-11-23 01:13:31,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:31,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:31,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:31,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:13:31,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:13:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 148 transitions. [2021-11-23 01:13:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 148 transitions. [2021-11-23 01:13:32,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:13:32,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:32,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:32,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:13:32,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:34,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:34,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 60 states and 149 transitions. [2021-11-23 01:13:34,344 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 149 transitions. [2021-11-23 01:13:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:13:34,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:34,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:35,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:13:35,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:13:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:13:45,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:14:00,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:14:00,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:00,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 64 states and 163 transitions. [2021-11-23 01:14:00,927 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 163 transitions. [2021-11-23 01:14:00,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:00,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:00,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:00,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:14:00,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 72 states and 200 transitions. [2021-11-23 01:14:11,070 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 200 transitions. [2021-11-23 01:14:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:11,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:11,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:11,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:11,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:14:11,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:11,856 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:14:22,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:22,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 76 states and 223 transitions. [2021-11-23 01:14:22,093 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 223 transitions. [2021-11-23 01:14:22,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:22,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:22,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:22,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:14:22,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:14:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 77 states and 230 transitions. [2021-11-23 01:14:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 230 transitions. [2021-11-23 01:14:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:24,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:24,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:24,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:14:24,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:25,230 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:14:41,646 WARN L227 SmtUtils]: Spent 10.55s on a formula simplification. DAG size of input: 35 DAG size of output: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 01:14:45,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 79 states and 231 transitions. [2021-11-23 01:14:45,617 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 231 transitions. [2021-11-23 01:14:45,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:14:45,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:45,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:45,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:14:45,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:14:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2021-11-23 01:15:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2021-11-23 01:15:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:12,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:12,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:12,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:12,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:12,262 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 83 states and 242 transitions. [2021-11-23 01:15:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 242 transitions. [2021-11-23 01:15:23,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:23,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:23,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:23,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2021-11-23 01:15:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2021-11-23 01:15:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:33,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:33,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:33,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:33,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:33,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:34,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2021-11-23 01:15:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2021-11-23 01:15:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:34,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:34,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:35,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:15:35,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:39,195 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:15:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 85 states and 249 transitions. [2021-11-23 01:15:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 249 transitions. [2021-11-23 01:15:47,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:47,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:47,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:47,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:47,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 86 states and 251 transitions. [2021-11-23 01:15:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 251 transitions. [2021-11-23 01:15:49,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:49,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:49,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:49,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:15:49,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:54,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 86 states and 249 transitions. [2021-11-23 01:15:54,121 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 249 transitions. [2021-11-23 01:15:54,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:15:54,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:54,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:54,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:15:54,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:15:55,587 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:16:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:23,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 88 states and 250 transitions. [2021-11-23 01:16:23,865 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2021-11-23 01:16:23,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:16:23,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:23,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:24,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:16:24,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:16:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:16:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 92 states and 267 transitions. [2021-11-23 01:16:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 267 transitions. [2021-11-23 01:16:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:16:51,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:16:51,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:16:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:16:51,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:16:51,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:16:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 100 states and 323 transitions. [2021-11-23 01:17:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 323 transitions. [2021-11-23 01:17:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:17:22,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:22,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:22,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:17:22,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:17:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 15 proven. 41 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:18:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 107 states and 348 transitions. [2021-11-23 01:18:06,577 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 348 transitions. [2021-11-23 01:18:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:06,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:06,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:06,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:06,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 01:18:06,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:07,400 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:18:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:15,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 110 states and 357 transitions. [2021-11-23 01:18:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 357 transitions. [2021-11-23 01:18:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:15,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:15,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:16,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:18:16,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:18:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:34,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 113 states and 360 transitions. [2021-11-23 01:18:34,099 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 360 transitions. [2021-11-23 01:18:34,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:34,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:34,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:34,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:34,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 113 states and 359 transitions. [2021-11-23 01:18:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 359 transitions. [2021-11-23 01:18:40,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:40,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:40,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:41,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:41,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:41,096 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 114 states and 361 transitions. [2021-11-23 01:18:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 361 transitions. [2021-11-23 01:18:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:43,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:43,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:43,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:18:43,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:43,878 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 115 states and 363 transitions. [2021-11-23 01:18:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 363 transitions. [2021-11-23 01:18:45,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:18:45,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:45,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:45,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:18:45,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:18:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:19:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 121 states and 371 transitions. [2021-11-23 01:19:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 371 transitions. [2021-11-23 01:19:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:30,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:30,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:30,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:19:30,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:41,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 122 states and 376 transitions. [2021-11-23 01:19:41,855 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 376 transitions. [2021-11-23 01:19:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:41,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:41,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:41,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:19:41,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:49,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:49,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 122 states and 375 transitions. [2021-11-23 01:19:49,544 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 375 transitions. [2021-11-23 01:19:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:49,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:49,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:49,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:19:49,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:55,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 122 states and 373 transitions. [2021-11-23 01:19:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 373 transitions. [2021-11-23 01:19:55,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:19:55,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:55,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:55,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:19:55,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:19:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:20:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 123 states and 377 transitions. [2021-11-23 01:20:03,176 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 377 transitions. [2021-11-23 01:20:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:20:03,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:03,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:03,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:20:03,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:20:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:21:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 129 states and 385 transitions. [2021-11-23 01:21:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 385 transitions. [2021-11-23 01:21:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:21:00,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:00,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:00,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:21:00,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:21:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 137 states and 420 transitions. [2021-11-23 01:21:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 420 transitions. [2021-11-23 01:21:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:21:58,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:58,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:59,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:21:59,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:59,771 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:22:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 140 states and 423 transitions. [2021-11-23 01:22:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 423 transitions. [2021-11-23 01:22:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:22:42,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:42,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:43,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:22:43,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:46,324 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:23:41,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:41,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 145 states and 431 transitions. [2021-11-23 01:23:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 431 transitions. [2021-11-23 01:23:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:23:41,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:41,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:41,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:23:41,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:24:19,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 151 states and 442 transitions. [2021-11-23 01:24:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 442 transitions. [2021-11-23 01:24:19,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:24:19,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:20,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:24:20,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:24:45,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-23 01:24:57,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 154 states and 446 transitions. [2021-11-23 01:24:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 446 transitions. [2021-11-23 01:24:57,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:24:57,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:24:57,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 22 proven. 61 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:25:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 157 states and 459 transitions. [2021-11-23 01:25:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 459 transitions. [2021-11-23 01:25:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:25:25,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:25:25,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 165 states and 533 transitions. [2021-11-23 01:26:40,351 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 533 transitions. [2021-11-23 01:26:40,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:26:40,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:40,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:26:40,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.