./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/sum_15x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_15x0-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c --- 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-6b4ec56 [2022-11-20 16:51:05,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:51:05,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:51:05,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:51:05,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:51:05,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:51:05,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:51:05,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:51:05,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:51:05,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:51:05,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:51:05,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:51:05,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:51:05,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:51:05,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:51:05,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:51:05,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:51:05,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:51:05,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:51:05,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:51:05,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:51:05,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:51:05,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:51:05,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:51:05,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:51:05,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:51:05,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:51:05,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:51:05,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:51:05,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:51:05,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:51:05,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:51:05,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:51:05,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:51:05,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:51:05,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:51:05,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:51:05,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:51:05,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:51:05,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:51:05,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:51:05,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:51:05,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:51:05,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:51:05,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:51:05,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:51:05,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:51:05,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:51:05,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:51:05,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:51:05,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:51:05,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:51:05,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:51:05,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:51:05,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:51:05,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:51:05,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:51:05,815 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:51:05,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:51:05,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:51:05,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:51:05,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:51:05,817 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:51:05,817 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:51:05,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:51:05,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:51:05,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:51:05,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:51:05,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:51:05,819 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:51:05,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:51:05,820 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:51:05,820 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_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610248c6c4c4e7168ba971ed5fa38cec025658aa482465da336c99be91c3aa5c [2022-11-20 16:51:06,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:51:06,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:51:06,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:51:06,152 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:51:06,152 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:51:06,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2022-11-20 16:51:09,141 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:51:09,342 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:51:09,342 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/sv-benchmarks/c/recursive-simple/sum_15x0-2.c [2022-11-20 16:51:09,348 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/data/dd18f5b3c/7d73eff7729843389a6c60c5f0fec253/FLAGd5456330b [2022-11-20 16:51:09,367 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/data/dd18f5b3c/7d73eff7729843389a6c60c5f0fec253 [2022-11-20 16:51:09,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:51:09,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:51:09,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:51:09,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:51:09,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:51:09,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac115e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09, skipping insertion in model container [2022-11-20 16:51:09,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:51:09,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:51:09,570 WARN L237 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_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/sv-benchmarks/c/recursive-simple/sum_15x0-2.c[481,494] [2022-11-20 16:51:09,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:51:09,579 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:51:09,592 WARN L237 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_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/sv-benchmarks/c/recursive-simple/sum_15x0-2.c[481,494] [2022-11-20 16:51:09,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:51:09,606 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:51:09,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09 WrapperNode [2022-11-20 16:51:09,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:51:09,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:51:09,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:51:09,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:51:09,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,623 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,638 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-20 16:51:09,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:51:09,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:51:09,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:51:09,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:51:09,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,652 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:51:09,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:51:09,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:51:09,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:51:09,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:09,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:51:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:51:09,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:51:09,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:51:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:51:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:51:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:51:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-11-20 16:51:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-11-20 16:51:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:51:09,808 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:51:09,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:51:09,950 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:51:09,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:51:09,977 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:51:09,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:09 BoogieIcfgContainer [2022-11-20 16:51:09,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:51:09,981 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:51:09,981 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:51:09,992 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:51:09,992 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:09" (1/1) ... [2022-11-20 16:51:10,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:51:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2022-11-20 16:51:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-20 16:51:10,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:51:10,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:10,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:10,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 32 transitions. [2022-11-20 16:51:10,526 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-11-20 16:51:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:51:10,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:10,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 37 transitions. [2022-11-20 16:51:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-20 16:51:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:51:10,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 40 transitions. [2022-11-20 16:51:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-11-20 16:51:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:51:11,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:11,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:11,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 39 transitions. [2022-11-20 16:51:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-11-20 16:51:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:51:11,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 43 transitions. [2022-11-20 16:51:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-20 16:51:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:51:12,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:12,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 44 transitions. [2022-11-20 16:51:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-20 16:51:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:51:12,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:12,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:12,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:12,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 53 transitions. [2022-11-20 16:51:12,711 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-20 16:51:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:51:12,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:12,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 61 transitions. [2022-11-20 16:51:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2022-11-20 16:51:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:51:13,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:13,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:13,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 54 states and 70 transitions. [2022-11-20 16:51:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-20 16:51:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:51:13,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:13,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:14,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:14,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 74 transitions. [2022-11-20 16:51:14,323 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-11-20 16:51:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:51:14,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:14,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 83 transitions. [2022-11-20 16:51:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-11-20 16:51:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:51:15,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:15,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:16,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 93 transitions. [2022-11-20 16:51:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2022-11-20 16:51:16,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:51:16,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:16,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:16,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:16,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 101 transitions. [2022-11-20 16:51:16,853 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2022-11-20 16:51:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:51:16,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:16,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 103 transitions. [2022-11-20 16:51:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2022-11-20 16:51:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:51:17,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:17,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:18,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 82 states and 114 transitions. [2022-11-20 16:51:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2022-11-20 16:51:18,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:51:18,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:18,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:18,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 84 states and 118 transitions. [2022-11-20 16:51:18,939 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2022-11-20 16:51:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:51:18,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:18,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 86 states and 120 transitions. [2022-11-20 16:51:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 120 transitions. [2022-11-20 16:51:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 16:51:19,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:19,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 124 transitions. [2022-11-20 16:51:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2022-11-20 16:51:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 16:51:19,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:19,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:20,106 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:20,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 90 states and 125 transitions. [2022-11-20 16:51:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2022-11-20 16:51:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:51:20,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:20,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 95 states and 136 transitions. [2022-11-20 16:51:21,024 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 136 transitions. [2022-11-20 16:51:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 16:51:21,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:21,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:22,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 144 transitions. [2022-11-20 16:51:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 144 transitions. [2022-11-20 16:51:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 16:51:22,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:22,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:22,332 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 109 states and 152 transitions. [2022-11-20 16:51:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 152 transitions. [2022-11-20 16:51:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 16:51:23,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:23,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 112 states and 156 transitions. [2022-11-20 16:51:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 156 transitions. [2022-11-20 16:51:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:51:23,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:23,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 117 states and 168 transitions. [2022-11-20 16:51:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 168 transitions. [2022-11-20 16:51:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 16:51:24,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:24,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:26,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 124 states and 176 transitions. [2022-11-20 16:51:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 176 transitions. [2022-11-20 16:51:26,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 16:51:26,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:26,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:26,472 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 131 states and 184 transitions. [2022-11-20 16:51:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2022-11-20 16:51:27,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 16:51:27,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:27,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 134 states and 188 transitions. [2022-11-20 16:51:28,315 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 188 transitions. [2022-11-20 16:51:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 16:51:28,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 139 states and 201 transitions. [2022-11-20 16:51:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2022-11-20 16:51:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 16:51:29,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:29,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:31,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:31,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 146 states and 209 transitions. [2022-11-20 16:51:31,071 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 209 transitions. [2022-11-20 16:51:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 16:51:31,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 153 states and 217 transitions. [2022-11-20 16:51:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2022-11-20 16:51:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-20 16:51:32,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:32,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:32,737 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:33,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 156 states and 221 transitions. [2022-11-20 16:51:33,476 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 221 transitions. [2022-11-20 16:51:33,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 16:51:33,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:33,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 161 states and 235 transitions. [2022-11-20 16:51:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 235 transitions. [2022-11-20 16:51:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-20 16:51:34,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:34,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 243 transitions. [2022-11-20 16:51:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 243 transitions. [2022-11-20 16:51:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-20 16:51:36,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:36,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 175 states and 251 transitions. [2022-11-20 16:51:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 251 transitions. [2022-11-20 16:51:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 16:51:38,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:38,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:39,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 178 states and 255 transitions. [2022-11-20 16:51:39,290 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 255 transitions. [2022-11-20 16:51:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 16:51:39,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:39,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:40,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 183 states and 270 transitions. [2022-11-20 16:51:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 270 transitions. [2022-11-20 16:51:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 16:51:40,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:40,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:41,981 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 190 states and 278 transitions. [2022-11-20 16:51:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 278 transitions. [2022-11-20 16:51:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 16:51:43,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:43,626 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:45,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 197 states and 286 transitions. [2022-11-20 16:51:45,127 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 286 transitions. [2022-11-20 16:51:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 16:51:45,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:45,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:46,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:46,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 200 states and 290 transitions. [2022-11-20 16:51:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 290 transitions. [2022-11-20 16:51:46,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 16:51:46,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:46,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:46,679 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:47,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:47,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 205 states and 306 transitions. [2022-11-20 16:51:47,868 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 306 transitions. [2022-11-20 16:51:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 16:51:47,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:47,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:50,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 212 states and 314 transitions. [2022-11-20 16:51:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 314 transitions. [2022-11-20 16:51:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 16:51:50,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:50,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 219 states and 322 transitions. [2022-11-20 16:51:52,834 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 322 transitions. [2022-11-20 16:51:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 16:51:52,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 222 states and 326 transitions. [2022-11-20 16:51:53,848 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 326 transitions. [2022-11-20 16:51:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 16:51:53,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:53,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 227 states and 343 transitions. [2022-11-20 16:51:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 343 transitions. [2022-11-20 16:51:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 16:51:55,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:55,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:57,321 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:51:58,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:51:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 234 states and 351 transitions. [2022-11-20 16:51:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 351 transitions. [2022-11-20 16:51:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-20 16:51:58,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:51:58,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:51:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:51:59,333 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 241 states and 359 transitions. [2022-11-20 16:52:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 359 transitions. [2022-11-20 16:52:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-20 16:52:01,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:01,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:01,382 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 244 states and 363 transitions. [2022-11-20 16:52:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 363 transitions. [2022-11-20 16:52:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 16:52:02,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 249 states and 381 transitions. [2022-11-20 16:52:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 381 transitions. [2022-11-20 16:52:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-20 16:52:04,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:06,326 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 256 states and 389 transitions. [2022-11-20 16:52:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 389 transitions. [2022-11-20 16:52:07,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 16:52:07,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:07,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 263 states and 397 transitions. [2022-11-20 16:52:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 397 transitions. [2022-11-20 16:52:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 16:52:10,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:10,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:11,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 266 states and 401 transitions. [2022-11-20 16:52:11,647 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 401 transitions. [2022-11-20 16:52:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:52:11,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:11,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 271 states and 420 transitions. [2022-11-20 16:52:13,724 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 420 transitions. [2022-11-20 16:52:13,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 16:52:13,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 278 states and 428 transitions. [2022-11-20 16:52:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 428 transitions. [2022-11-20 16:52:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 16:52:17,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:17,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 407 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:20,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:20,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 285 states and 436 transitions. [2022-11-20 16:52:20,483 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 436 transitions. [2022-11-20 16:52:20,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 16:52:20,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:20,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 288 states and 440 transitions. [2022-11-20 16:52:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 440 transitions. [2022-11-20 16:52:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 16:52:21,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:21,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 293 states and 460 transitions. [2022-11-20 16:52:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 460 transitions. [2022-11-20 16:52:24,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 16:52:24,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:24,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 498 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 300 states and 468 transitions. [2022-11-20 16:52:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 468 transitions. [2022-11-20 16:52:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 16:52:28,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:28,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:29,482 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 0 proven. 486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 307 states and 476 transitions. [2022-11-20 16:52:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 476 transitions. [2022-11-20 16:52:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-20 16:52:31,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:31,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 310 states and 480 transitions. [2022-11-20 16:52:33,244 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 480 transitions. [2022-11-20 16:52:33,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 16:52:33,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:33,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:34,053 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 315 states and 501 transitions. [2022-11-20 16:52:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 501 transitions. [2022-11-20 16:52:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 16:52:35,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:35,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 585 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 322 states and 509 transitions. [2022-11-20 16:52:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 509 transitions. [2022-11-20 16:52:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 16:52:41,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:41,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 0 proven. 572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 329 states and 517 transitions. [2022-11-20 16:52:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 517 transitions. [2022-11-20 16:52:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 16:52:44,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:44,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 0 proven. 611 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:45,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 332 states and 521 transitions. [2022-11-20 16:52:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 521 transitions. [2022-11-20 16:52:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 16:52:45,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:45,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 337 states and 543 transitions. [2022-11-20 16:52:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 543 transitions. [2022-11-20 16:52:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 16:52:48,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 679 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 344 states and 551 transitions. [2022-11-20 16:52:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 551 transitions. [2022-11-20 16:52:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-20 16:52:54,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:55,062 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 0 proven. 665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:57,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:57,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 351 states and 558 transitions. [2022-11-20 16:52:57,383 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 558 transitions. [2022-11-20 16:52:57,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-20 16:52:57,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:57,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:52:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 0 proven. 707 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:52:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:52:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 354 states and 562 transitions. [2022-11-20 16:52:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 562 transitions. [2022-11-20 16:52:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 16:52:58,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:52:58,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:52:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:53:01,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 359 states and 585 transitions. [2022-11-20 16:53:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 585 transitions. [2022-11-20 16:53:01,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 16:53:01,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:01,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 780 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:53:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:07,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 135 states and 163 transitions. [2022-11-20 16:53:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 163 transitions. [2022-11-20 16:53:07,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-20 16:53:07,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:07,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 572 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:53:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 120 states and 134 transitions. [2022-11-20 16:53:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 134 transitions. [2022-11-20 16:53:14,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-20 16:53:14,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:14,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2022-11-20 16:53:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:14,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 119 states and 133 transitions. [2022-11-20 16:53:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2022-11-20 16:53:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-20 16:53:14,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:53:14,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:53:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:53:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2022-11-20 16:53:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:53:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 118 states and 132 transitions. [2022-11-20 16:53:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 132 transitions. [2022-11-20 16:53:14,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:53:14,984 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 73 iterations. [2022-11-20 16:53:14,994 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 16:53:15,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:53:15 ImpRootNode [2022-11-20 16:53:15,990 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:53:15,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:53:15,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:53:15,991 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:53:15,991 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:51:09" (3/4) ... [2022-11-20 16:53:15,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:53:16,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2022-11-20 16:53:16,004 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 16:53:16,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 16:53:16,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:53:16,005 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:53:16,038 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:53:16,038 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:53:16,039 INFO L158 Benchmark]: Toolchain (without parser) took 126666.83ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 895.5MB). Free memory was 123.2MB in the beginning and 505.4MB in the end (delta: -382.1MB). Peak memory consumption was 514.7MB. Max. memory is 16.1GB. [2022-11-20 16:53:16,040 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:53:16,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.65ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 113.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:53:16,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.00ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 112.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:53:16,041 INFO L158 Benchmark]: Boogie Preprocessor took 14.53ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 111.1MB in the end (delta: 898.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:53:16,042 INFO L158 Benchmark]: RCFGBuilder took 325.39ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 99.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:53:16,042 INFO L158 Benchmark]: CodeCheck took 126009.14ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 895.5MB). Free memory was 99.7MB in the beginning and 508.5MB in the end (delta: -408.8MB). Peak memory consumption was 489.5MB. Max. memory is 16.1GB. [2022-11-20 16:53:16,043 INFO L158 Benchmark]: Witness Printer took 47.94ms. Allocated memory is still 1.1GB. Free memory was 508.5MB in the beginning and 505.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:53:16,046 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 125.0s, OverallIterations: 73, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25543 SdHoareTripleChecker+Valid, 88.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24584 mSDsluCounter, 4054 SdHoareTripleChecker+Invalid, 70.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10926 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75096 IncrementalHoareTripleChecker+Invalid, 86022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10926 mSolverCounterUnsat, 4046 mSDtfsCounter, 75096 mSolverCounterSat, 1.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30332 GetRequests, 29207 SyntacticMatches, 351 SemanticMatches, 774 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496944 ImplicationChecksByTransitivity, 111.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 45.3s InterpolantComputationTime, 4047 NumberOfCodeBlocks, 4047 NumberOfCodeBlocksAsserted, 72 NumberOfCheckSat, 3975 ConstructedInterpolants, 0 QuantifiedInterpolants, 12197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 72 InterpolantComputations, 24 PerfectInterpolantSequences, 7091/18590 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.65ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 113.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.00ms. Allocated memory is still 167.8MB. Free memory was 113.2MB in the beginning and 112.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.53ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 111.1MB in the end (delta: 898.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 325.39ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 99.7MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 126009.14ms. Allocated memory was 167.8MB in the beginning and 1.1GB in the end (delta: 895.5MB). Free memory was 99.7MB in the beginning and 508.5MB in the end (delta: -408.8MB). Peak memory consumption was 489.5MB. Max. memory is 16.1GB. * Witness Printer took 47.94ms. Allocated memory is still 1.1GB. Free memory was 508.5MB in the beginning and 505.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:53:16,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b6c64b5-ecdf-44d0-94ac-662f2aa77320/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE