./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB --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 fcf77da5263056f8d62c4caf3b92919690d80ef4ff864a75d0d8d1eec10bdccf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:30:37,563 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:37,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:37,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:37,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:37,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:37,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:37,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:37,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:37,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:37,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:37,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:37,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:37,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:37,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:37,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:37,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:37,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:37,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:37,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:37,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:37,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:37,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:37,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:37,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:37,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:37,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:37,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:37,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:37,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:37,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:37,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:37,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:37,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:37,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:37,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:37,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:37,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:37,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:37,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:37,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:37,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:37,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:37,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:37,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:37,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:37,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:37,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:37,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:37,763 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:37,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:37,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:37,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:37,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:37,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:37,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:37,765 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:37,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:37,766 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:37,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:37,766 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:37,767 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:37,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:37,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:37,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:37,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:37,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:37,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:37,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:37,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:37,785 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_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf77da5263056f8d62c4caf3b92919690d80ef4ff864a75d0d8d1eec10bdccf [2022-10-17 16:30:38,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:38,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:38,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:38,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:38,159 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:38,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-simple/nested_4.c [2022-10-17 16:30:38,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/data/b74d3c49f/039c13bbacb64c0f9cb2a5d72b0c8c06/FLAGcd76cfcf4 [2022-10-17 16:30:38,915 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:38,918 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/sv-benchmarks/c/loop-simple/nested_4.c [2022-10-17 16:30:38,927 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/data/b74d3c49f/039c13bbacb64c0f9cb2a5d72b0c8c06/FLAGcd76cfcf4 [2022-10-17 16:30:39,221 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/data/b74d3c49f/039c13bbacb64c0f9cb2a5d72b0c8c06 [2022-10-17 16:30:39,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:39,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:39,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:39,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:39,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:39,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7048db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39, skipping insertion in model container [2022-10-17 16:30:39,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,263 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:39,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:39,447 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_35a7b3d9-5442-4156-83b5-a470e58457fe/sv-benchmarks/c/loop-simple/nested_4.c[841,854] [2022-10-17 16:30:39,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:39,463 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:39,482 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_35a7b3d9-5442-4156-83b5-a470e58457fe/sv-benchmarks/c/loop-simple/nested_4.c[841,854] [2022-10-17 16:30:39,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:39,499 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:39,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39 WrapperNode [2022-10-17 16:30:39,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:39,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:39,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:39,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:39,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,540 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-10-17 16:30:39,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:39,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:39,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:39,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:39,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:39,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:39,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:39,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:39,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:39,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:39,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:39,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:39,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35a7b3d9-5442-4156-83b5-a470e58457fe/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:39,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:39,764 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:39,766 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:39,915 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:39,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:39,977 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:30:39,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:39 BoogieIcfgContainer [2022-10-17 16:30:39,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:39,991 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:39,991 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:40,004 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:40,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:39" (1/1) ... [2022-10-17 16:30:40,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:40,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2022-10-17 16:30:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2022-10-17 16:30:40,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:30:40,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:30:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:30:40,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:30:40,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2022-10-17 16:30:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2022-10-17 16:30:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:30:40,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 16:30:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 16:30:40,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:30:40,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:40,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2022-10-17 16:30:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2022-10-17 16:30:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:30:40,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:41,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2022-10-17 16:30:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2022-10-17 16:30:41,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:30:41,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:30:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2022-10-17 16:30:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2022-10-17 16:30:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:30:41,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:30:42,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2022-10-17 16:30:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2022-10-17 16:30:42,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:30:42,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:42,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:30:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 51 states and 95 transitions. [2022-10-17 16:30:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2022-10-17 16:30:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:30:46,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,548 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 81 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-17 16:30:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 96 transitions. [2022-10-17 16:30:46,822 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2022-10-17 16:30:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:30:46,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:46,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 102 proven. 6 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-17 16:30:47,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 97 transitions. [2022-10-17 16:30:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2022-10-17 16:30:47,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:30:47,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 123 proven. 10 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-17 16:30:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2022-10-17 16:30:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2022-10-17 16:30:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:30:47,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 144 proven. 15 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-10-17 16:30:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 55 states and 98 transitions. [2022-10-17 16:30:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 98 transitions. [2022-10-17 16:30:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:30:48,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:48,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 214 proven. 24 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-10-17 16:30:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 59 states and 105 transitions. [2022-10-17 16:30:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 105 transitions. [2022-10-17 16:30:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:30:49,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:49,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 260 proven. 3 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-10-17 16:30:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:49,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2022-10-17 16:30:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2022-10-17 16:30:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:30:49,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:49,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-10-17 16:30:50,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 61 states and 107 transitions. [2022-10-17 16:30:50,008 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2022-10-17 16:30:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:30:50,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 316 proven. 10 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-10-17 16:30:50,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2022-10-17 16:30:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2022-10-17 16:30:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:30:50,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:50,506 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 344 proven. 15 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-10-17 16:30:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 63 states and 108 transitions. [2022-10-17 16:30:50,777 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2022-10-17 16:30:50,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:30:50,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 349 proven. 97 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-10-17 16:30:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2022-10-17 16:30:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2022-10-17 16:30:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:30:51,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:51,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 439 proven. 3 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-17 16:30:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 68 states and 116 transitions. [2022-10-17 16:30:52,197 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 116 transitions. [2022-10-17 16:30:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:30:52,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 850 backedges. 474 proven. 6 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-17 16:30:52,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 117 transitions. [2022-10-17 16:30:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 117 transitions. [2022-10-17 16:30:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:30:52,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 509 proven. 10 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-17 16:30:52,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:52,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2022-10-17 16:30:52,923 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2022-10-17 16:30:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:30:52,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:52,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 544 proven. 15 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-10-17 16:30:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:53,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 71 states and 118 transitions. [2022-10-17 16:30:53,299 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 118 transitions. [2022-10-17 16:30:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:30:53,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:53,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 970 backedges. 484 proven. 220 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2022-10-17 16:30:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2022-10-17 16:30:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2022-10-17 16:30:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:30:54,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:54,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 618 proven. 3 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-10-17 16:30:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 76 states and 126 transitions. [2022-10-17 16:30:54,843 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 126 transitions. [2022-10-17 16:30:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:30:54,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 660 proven. 6 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-10-17 16:30:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 77 states and 127 transitions. [2022-10-17 16:30:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 127 transitions. [2022-10-17 16:30:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:30:55,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:55,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 702 proven. 10 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-10-17 16:30:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 78 states and 128 transitions. [2022-10-17 16:30:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 128 transitions. [2022-10-17 16:30:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:30:55,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 744 proven. 15 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2022-10-17 16:30:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2022-10-17 16:30:56,029 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2022-10-17 16:30:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 16:30:56,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1299 backedges. 619 proven. 393 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2022-10-17 16:30:57,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 134 transitions. [2022-10-17 16:30:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2022-10-17 16:30:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:30:57,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 797 proven. 3 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-10-17 16:30:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2022-10-17 16:30:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2022-10-17 16:30:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 16:30:57,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:57,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 846 proven. 6 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-10-17 16:30:58,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:58,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 85 states and 136 transitions. [2022-10-17 16:30:58,162 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2022-10-17 16:30:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 16:30:58,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:58,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 895 proven. 10 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-10-17 16:30:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 86 states and 137 transitions. [2022-10-17 16:30:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 137 transitions. [2022-10-17 16:30:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:30:58,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:58,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1623 backedges. 944 proven. 15 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2022-10-17 16:30:59,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2022-10-17 16:30:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2022-10-17 16:30:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:30:59,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:59,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1678 backedges. 856 proven. 3 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-10-17 16:30:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2022-10-17 16:30:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2022-10-17 16:30:59,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 16:30:59,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:59,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1734 backedges. 909 proven. 6 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-10-17 16:30:59,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 89 states and 139 transitions. [2022-10-17 16:30:59,903 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2022-10-17 16:30:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:30:59,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:59,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1791 backedges. 962 proven. 10 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-10-17 16:31:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 90 states and 140 transitions. [2022-10-17 16:31:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2022-10-17 16:31:00,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:31:00,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:00,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1849 backedges. 1015 proven. 15 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-10-17 16:31:00,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 91 states and 140 transitions. [2022-10-17 16:31:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2022-10-17 16:31:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-17 16:31:00,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:00,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 647 proven. 276 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2022-10-17 16:31:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:03,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 101 states and 159 transitions. [2022-10-17 16:31:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 159 transitions. [2022-10-17 16:31:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-17 16:31:03,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:03,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 1171 proven. 3 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-10-17 16:31:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2022-10-17 16:31:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2022-10-17 16:31:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:31:04,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:04,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:04,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2406 backedges. 1234 proven. 6 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-10-17 16:31:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 103 states and 161 transitions. [2022-10-17 16:31:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 161 transitions. [2022-10-17 16:31:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-17 16:31:05,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:05,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2473 backedges. 1297 proven. 10 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-10-17 16:31:05,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 104 states and 162 transitions. [2022-10-17 16:31:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 162 transitions. [2022-10-17 16:31:05,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:31:05,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:05,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2541 backedges. 1360 proven. 15 refuted. 0 times theorem prover too weak. 1166 trivial. 0 not checked. [2022-10-17 16:31:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 105 states and 162 transitions. [2022-10-17 16:31:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2022-10-17 16:31:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:31:06,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:06,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2610 backedges. 1479 proven. 24 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked.